Monsters featured in Mighty Morphin Power Rangers (season 3)

- Arachnofiend [146–147, 152]#146 - Alien Rangers of Aquitar Part I, #147 - Alien Rangers of Aquitar Part II, #152 - Along Came a Spider
- Artisimole [120, 135, 143]#120 - A Brush with Destiny, #135 - A Different Shade of Pink Part I, #143 - Master Vile and the Metallic Armor Part III
- Baboo [115–117, 119, 121, 124–125, 127, 129–133, 136–137, 139, 141–145, 149, 153]#115 - A Friend in Need Part III, #116 - Ninja Quest Part I, #117 - Ninja Quest Part II, #119 - Ninja Quest Part IV, #121 - Passing the Lantern, #124 - Final Face-Off, #125 - Stop the Hate Master Part I, #127 - The Potion Notion, #129 - A Ranger Catastrophe Part II, #130 - Changing of the Zords Part I, #131 - Changing of the Zords Part II, #132 - Changing of the Zords Part III, #133 - Follow that Cab!, #136 - A Different Shade of Pink Part II, #137 - A Different Shade of Pink Part III, #139 - Another Brick in the Wall, #141 - Master Vile and the Metallic Armor Part I, #142 - Master Vile and the Metallic Armor Part II, #143 - Master Vile and the Metallic Armor Part III, #144 - The Sound of Dischordia, #145 - Rangers in Reverse, #149 - The Alien Trap, #153 - Sowing the Seas of Evil
- “Barkzo” [146–147]#146 - Alien Rangers of Aquitar Part I, #147 - Alien Rangers of Aquitar Part II
- Blue Cogwort [114–115]#114 - A Friend in Need Part II, #115 - A Friend in Need Part III
- Blue Globbor [141–143]#141 - Master Vile and the Metallic Armor Part I, #142 - Master Vile and the Metallic Armor Part II, #143 - Master Vile and the Metallic Armor Part III
- Bratboy [150]#150 - Attack of the 60′ Bulk
- Brick Bully [139, 143, 146–147]#139 - Another Brick in the Wall, #143 - Master Vile and the Metallic Armor Part III, #146 - Alien Rangers of Aquitar Part I, #147 - Alien Rangers of Aquitar Part II
- Centiback [123, 143]#123 - Fourth Down and Long, #143 - Master Vile and the Metallic Armor Part III
- Count Dregon [113, 115]#113 - A Friend in Need Part I, #115 - A Friend in Need Part III
- Crabby Cabbie [133, 146–147]#133 - Follow that Cab!, #146 - Alien Rangers of Aquitar Part I, #147 - Alien Rangers of Aquitar Part II
- Cyclopter [113, 115]#113 - A Friend in Need Part I, #115 - A Friend in Need Part III
- Datz [113, 115]#113 - A Friend in Need Part I, #115 - A Friend in Need Part III
- Dischordia [143–144]#143 - Master Vile and the Metallic Armor Part III, #144 - The Sound of Dischordia
- Doubleface [113, 115]#113 - A Friend in Need Part I, #115 - A Friend in Need Part III
- “Dresschordia” [144]#144 - The Sound of Dischordia
- Erik the Barbaric [149]#149 - The Alien Trap
- Face Stealer [124, 142]#124 - Final Face-Off, #142 - Master Vile and the Metallic Armor Part II
- Fighting Flea [116–117, 143]#116 - Ninja Quest Part I, #117 - Ninja Quest Part II, #143 - Master Vile and the Metallic Armor Part III
- Finster [113–117, 120, 122–123, 125, 127, 130, 132–133, 136, 138, 140, 144–147, 153–154]#113 - A Friend in Need Part I, #114 - A Friend in Need Part II, #115 - A Friend in Need Part III, #116 - Ninja Quest Part I, #117 - Ninja Quest Part II, #120 - A Brush with Destiny, #122 - Wizard for a Day, #123 - Fourth Down and Long, #125 - Stop the Hate Master Part I, #127 - The Potion Notion, #130 - Changing of the Zords Part I, #132 - Changing of the Zords Part III, #133 - Follow that Cab!, #136 - A Different Shade of Pink Part II, #138 - Rita’s Pita, #140 - A Chimp in Charge, #144 - The Sound of Dischordia, #145 - Rangers in Reverse, #146 - Alien Rangers of Aquitar Part I, #147 - Alien Rangers of Aquitar Part II, #153 - Sowing the Seas of Evil, #154 - Hogday Afternoon Part I
- Garbage Mouth [136, 143]#136 - A Different Shade of Pink Part II, #143 - Master Vile and the Metallic Armor Part III
- Goldar [113–117, 119–120, 122–123, 125–155]#113 - A Friend in Need Part I, #114 - A Friend in Need Part II, #115 - A Friend in Need Part III, #116 - Ninja Quest Part I, #117 - Ninja Quest Part II, #119 - Ninja Quest Part IV, #120 - A Brush with Destiny, #122 - Wizard for a Day, #123 - Fourth Down and Long, #125 - Stop the Hate Master Part I, #126 - Stop the Hate Master Part II, #127 - The Potion Notion, #128 - A Ranger Catastrophe Part I, #129 - A Ranger Catastrophe Part II, #130 - Changing of the Zords Part I, #131 - Changing of the Zords Part II, #132 - Changing of the Zords Part III, #133 - Follow that Cab!, #134 - I’m Dreaming of a White Ranger, #135 - A Different Shade of Pink Part I, #136 - A Different Shade of Pink Part II, #137 - A Different Shade of Pink Part III, #138 - Rita’s Pita, #139 - Another Brick in the Wall, #140 - A Chimp in Charge, #141 - Master Vile and the Metallic Armor Part I, #142 - Master Vile and the Metallic Armor Part II, #143 - Master Vile and the Metallic Armor Part III, #144 - The Sound of Dischordia, #145 - Rangers in Reverse, #146 - Alien Rangers of Aquitar Part I, #147 - Alien Rangers of Aquitar Part II, #148 - Climb Every Fountain, #149 - The Alien Trap, #150 - Attack of the 60′ Bulk, #151 - Water You Thinking?, #152 - Along Came a Spider, #153 - Sowing the Seas of Evil, #154 - Hogday Afternoon Part I, #155 - Hogday Afternoon Part II
- Gork [113, 115]#113 - A Friend in Need Part I, #115 - A Friend in Need Part III
- Green Cogwort [114–115]#114 - A Friend in Need Part II, #115 - A Friend in Need Part III
- Hate Master [125–126, 143]#125 - Stop the Hate Master Part I, #126 - Stop the Hate Master Part II, #143 - Master Vile and the Metallic Armor Part III
- Hydro Hog [153–155]#153 - Sowing the Seas of Evil, #154 - Hogday Afternoon Part I, #155 - Hogday Afternoon Part II
- Incisorator [131, 143]#131 - Changing of the Zords Part II, #143 - Master Vile and the Metallic Armor Part III
- Invenusable Flytrap [143]#143 - Master Vile and the Metallic Armor Part III
- Katastrophe [129]#129 - A Ranger Catastrophe Part II
- Lanterra [121, 146–147]#121 - Passing the Lantern, #146 - Alien Rangers of Aquitar Part I, #147 - Alien Rangers of Aquitar Part II
- Lizzinator [116–117]#116 - Ninja Quest Part I, #117 - Ninja Quest Part II
- Lord Zedd [113–155]#113 - A Friend in Need Part I, #114 - A Friend in Need Part II, #115 - A Friend in Need Part III, #116 - Ninja Quest Part I, #117 - Ninja Quest Part II, #118 - Ninja Quest Part III, #119 - Ninja Quest Part IV, #120 - A Brush with Destiny, #121 - Passing the Lantern, #122 - Wizard for a Day, #123 - Fourth Down and Long, #124 - Final Face-Off, #125 - Stop the Hate Master Part I, #126 - Stop the Hate Master Part II, #127 - The Potion Notion, #128 - A Ranger Catastrophe Part I, #129 - A Ranger Catastrophe Part II, #130 - Changing of the Zords Part I, #131 - Changing of the Zords Part II, #132 - Changing of the Zords Part III, #133 - Follow that Cab!, #134 - I’m Dreaming of a White Ranger, #135 - A Different Shade of Pink Part I, #136 - A Different Shade of Pink Part II, #137 - A Different Shade of Pink Part III, #138 - Rita’s Pita, #139 - Another Brick in the Wall, #140 - A Chimp in Charge, #141 - Master Vile and the Metallic Armor Part I, #142 - Master Vile and the Metallic Armor Part II, #143 - Master Vile and the Metallic Armor Part III, #144 - The Sound of Dischordia, #145 - Rangers in Reverse, #146 - Alien Rangers of Aquitar Part I, #147 - Alien Rangers of Aquitar Part II, #148 - Climb Every Fountain, #149 - The Alien Trap, #150 - Attack of the 60′ Bulk, #151 - Water You Thinking?, #152 - Along Came a Spider, #153 - Sowing the Seas of Evil, #154 - Hogday Afternoon Part I, #155 - Hogday Afternoon Part II
- Marvo the Meanie [122]#122 - Wizard for a Day
- Master Vile [141–147]#141 - Master Vile and the Metallic Armor Part I, #142 - Master Vile and the Metallic Armor Part II, #143 - Master Vile and the Metallic Armor Part III, #144 - The Sound of Dischordia, #145 - Rangers in Reverse, #146 - Alien Rangers of Aquitar Part I, #147 - Alien Rangers of Aquitar Part II
- Merrick the Barbaric [149]#149 - The Alien Trap
- Miss Chief [127, 143, 146–147]#127 - The Potion Notion, #143 - Master Vile and the Metallic Armor Part III, #146 - Alien Rangers of Aquitar Part I, #147 - Alien Rangers of Aquitar Part II
- Nefaria [113, 115]#113 - A Friend in Need Part I, #115 - A Friend in Need Part III
- Octophantom [116–117]#116 - Ninja Quest Part I, #117 - Ninja Quest Part II
- Oysterizer [143]#143 - Master Vile and the Metallic Armor Part III
- Parrot Top [147]#147 - Alien Rangers of Aquitar Part II
- “Piecemeal” [146–147]#146 - Alien Rangers of Aquitar Part I, #147 - Alien Rangers of Aquitar Part II
- Plague Patrol #1 [114–115]#114 - A Friend in Need Part II, #115 - A Friend in Need Part III
- Plague Patrol #2 [114–115]#114 - A Friend in Need Part II, #115 - A Friend in Need Part III
- Plague Patrol #3 [114–115]#114 - A Friend in Need Part II, #115 - A Friend in Need Part III
- Plague Sentry [113–114]#113 - A Friend in Need Part I, #114 - A Friend in Need Part II
- Professor Longnose [147]#147 - Alien Rangers of Aquitar Part II
- Ravenator [138]#138 - Rita’s Pita
- Red Cogwort [114–115]#114 - A Friend in Need Part II, #115 - A Friend in Need Part III
- Repellator [114–115]#114 - A Friend in Need Part II, #115 - A Friend in Need Part III
- Rita Repulsa [113–117, 119–155]#113 - A Friend in Need Part I, #114 - A Friend in Need Part II, #115 - A Friend in Need Part III, #116 - Ninja Quest Part I, #117 - Ninja Quest Part II, #119 - Ninja Quest Part IV, #120 - A Brush with Destiny, #121 - Passing the Lantern, #122 - Wizard for a Day, #123 - Fourth Down and Long, #124 - Final Face-Off, #125 - Stop the Hate Master Part I, #126 - Stop the Hate Master Part II, #127 - The Potion Notion, #128 - A Ranger Catastrophe Part I, #129 - A Ranger Catastrophe Part II, #130 - Changing of the Zords Part I, #131 - Changing of the Zords Part II, #132 - Changing of the Zords Part III, #133 - Follow that Cab!, #134 - I’m Dreaming of a White Ranger, #135 - A Different Shade of Pink Part I, #136 - A Different Shade of Pink Part II, #137 - A Different Shade of Pink Part III, #138 - Rita’s Pita, #139 - Another Brick in the Wall, #140 - A Chimp in Charge, #141 - Master Vile and the Metallic Armor Part I, #142 - Master Vile and the Metallic Armor Part II, #143 - Master Vile and the Metallic Armor Part III, #144 - The Sound of Dischordia, #145 - Rangers in Reverse, #146 - Alien Rangers of Aquitar Part I, #147 - Alien Rangers of Aquitar Part II, #148 - Climb Every Fountain, #149 - The Alien Trap, #150 - Attack of the 60′ Bulk, #151 - Water You Thinking?, #152 - Along Came a Spider, #153 - Sowing the Seas of Evil, #154 - Hogday Afternoon Part I, #155 - Hogday Afternoon Part II
- Rito Revolto [116–125, 127–139, 141–155]#116 - Ninja Quest Part I, #117 - Ninja Quest Part II, #118 - Ninja Quest Part III, #119 - Ninja Quest Part IV, #120 - A Brush with Destiny, #121 - Passing the Lantern, #122 - Wizard for a Day, #123 - Fourth Down and Long, #124 - Final Face-Off, #125 - Stop the Hate Master Part I, #127 - The Potion Notion, #128 - A Ranger Catastrophe Part I, #129 - A Ranger Catastrophe Part II, #130 - Changing of the Zords Part I, #131 - Changing of the Zords Part II, #132 - Changing of the Zords Part III, #133 - Follow that Cab!, #134 - I’m Dreaming of a White Ranger, #135 - A Different Shade of Pink Part I, #136 - A Different Shade of Pink Part II, #137 - A Different Shade of Pink Part III, #138 - Rita’s Pita, #139 - Another Brick in the Wall, #141 - Master Vile and the Metallic Armor Part I, #142 - Master Vile and the Metallic Armor Part II, #143 - Master Vile and the Metallic Armor Part III, #144 - The Sound of Dischordia, #145 - Rangers in Reverse, #146 - Alien Rangers of Aquitar Part I, #147 - Alien Rangers of Aquitar Part II, #148 - Climb Every Fountain, #149 - The Alien Trap, #150 - Attack of the 60′ Bulk, #151 - Water You Thinking?, #152 - Along Came a Spider, #153 - Sowing the Seas of Evil, #154 - Hogday Afternoon Part I, #155 - Hogday Afternoon Part II
- Robogoat [143]#143 - Master Vile and the Metallic Armor Part III
- See Monster [132, 143, 146–147]#132 - Changing of the Zords Part III, #143 - Master Vile and the Metallic Armor Part III, #146 - Alien Rangers of Aquitar Part I, #147 - Alien Rangers of Aquitar Part II
- Serpentera [127]#127 - The Potion Notion
- Sinister Simian [140]#140 - A Chimp in Charge
- Slippery Shark [143]#143 - Master Vile and the Metallic Armor Part III
- Slotski [148]#148 - Climb Every Fountain
- “Smudgey Swirl” [146–147]#146 - Alien Rangers of Aquitar Part I, #147 - Alien Rangers of Aquitar Part II
- Squatt [115–117, 119, 121, 124–125, 127, 129–133, 136–137, 139, 141–145, 149, 153]#115 - A Friend in Need Part III, #116 - Ninja Quest Part I, #117 - Ninja Quest Part II, #119 - Ninja Quest Part IV, #121 - Passing the Lantern, #124 - Final Face-Off, #125 - Stop the Hate Master Part I, #127 - The Potion Notion, #129 - A Ranger Catastrophe Part II, #130 - Changing of the Zords Part I, #131 - Changing of the Zords Part II, #132 - Changing of the Zords Part III, #133 - Follow that Cab!, #136 - A Different Shade of Pink Part II, #137 - A Different Shade of Pink Part III, #139 - Another Brick in the Wall, #141 - Master Vile and the Metallic Armor Part I, #142 - Master Vile and the Metallic Armor Part II, #143 - Master Vile and the Metallic Armor Part III, #144 - The Sound of Dischordia, #145 - Rangers in Reverse, #149 - The Alien Trap, #153 - Sowing the Seas of Evil
- Stag Beetle [116–117]#116 - Ninja Quest Part I, #117 - Ninja Quest Part II
- Tengas [117–118, 120–128, 130, 132, 134–141, 143, 145–148, 152–153]#117 - Ninja Quest Part II, #118 - Ninja Quest Part III, #120 - A Brush with Destiny, #121 - Passing the Lantern, #122 - Wizard for a Day, #123 - Fourth Down and Long, #124 - Final Face-Off, #125 - Stop the Hate Master Part I, #126 - Stop the Hate Master Part II, #127 - The Potion Notion, #128 - A Ranger Catastrophe Part I, #130 - Changing of the Zords Part I, #132 - Changing of the Zords Part III, #134 - I’m Dreaming of a White Ranger, #135 - A Different Shade of Pink Part I, #136 - A Different Shade of Pink Part II, #137 - A Different Shade of Pink Part III, #138 - Rita’s Pita, #139 - Another Brick in the Wall, #140 - A Chimp in Charge, #141 - Master Vile and the Metallic Armor Part I, #143 - Master Vile and the Metallic Armor Part III, #145 - Rangers in Reverse, #146 - Alien Rangers of Aquitar Part I, #147 - Alien Rangers of Aquitar Part II, #148 - Climb Every Fountain, #152 - Along Came a Spider, #153 - Sowing the Seas of Evil
- Vampirus [119, 135, 143]#119 - Ninja Quest Part IV, #135 - A Different Shade of Pink Part I, #143 - Master Vile and the Metallic Armor Part III
- Witchblade [151]#151 - Water You Thinking?
- “Yetiki” [146–147]#146 - Alien Rangers of Aquitar Part I, #147 - Alien Rangers of Aquitar Part II
- Z Putties [113, 115, 126, 142]#113 - A Friend in Need Part I, #115 - A Friend in Need Part III, #126 - Stop the Hate Master Part II, #142 - Master Vile and the Metallic Armor Part II
Total: 65 monsters