Monsters featured in Power Rangers Ninja Steel

- Abrakadanger #850 - Abrakadanger
- Badpipes #837 - My Friend Redbot
- Basherbots #840 - Rocking & Rolling, #843 - Family Fusion, #844 - Ace and the Race, #845 - The Royal Rival, #848 - Monkey Business, #850 - Abrakadanger, #851 - Helping Hand, #852 - Galvanax Rises, #853 - Past, Presents, and Future
- Cat O’Clock #849 - The Adventures of Redbot, #853 - Past, Presents, and Future
- Cleocatra #853 - Past, Presents, and Future
- Cosmo Royale #832 - Return of the Prism, #833 - Forged in Steel, #834 - Live and Learn, #835 - Presto Change-O, #836 - Drive to Survive, #837 - My Friend Redbot, #838 - Hack Attack, #839 - Gold Rush, #840 - Rocking & Rolling, #841 - The Ranger Ribbon, #842 - Poisonous Plots, #843 - Family Fusion, #844 - Ace and the Race, #845 - The Royal Rival, #846 - The Royal Rumble, #847 - Grave Robber, #848 - Monkey Business, #849 - The Adventures of Redbot, #850 - Abrakadanger, #851 - Helping Hand, #852 - Galvanax Rises
- Drillion #845 - The Royal Rival, #846 - The Royal Rumble
- Forcefear #851 - Helping Hand
- Galvanax #832 - Return of the Prism, #833 - Forged in Steel, #834 - Live and Learn, #835 - Presto Change-O, #836 - Drive to Survive, #837 - My Friend Redbot, #838 - Hack Attack, #839 - Gold Rush, #841 - The Ranger Ribbon, #842 - Poisonous Plots, #843 - Family Fusion, #844 - Ace and the Race, #845 - The Royal Rival, #846 - The Royal Rumble, #849 - The Adventures of Redbot, #850 - Abrakadanger, #851 - Helping Hand, #852 - Galvanax Rises, #853 - Past, Presents, and Future
- Hacktrack #838 - Hack Attack, #847 - Grave Robber, #853 - Past, Presents, and Future
- Korvaka #832 - Return of the Prism
- Kudabots #832 - Return of the Prism, #833 - Forged in Steel, #834 - Live and Learn, #835 - Presto Change-O, #836 - Drive to Survive, #837 - My Friend Redbot, #838 - Hack Attack, #839 - Gold Rush, #840 - Rocking & Rolling, #841 - The Ranger Ribbon, #842 - Poisonous Plots, #843 - Family Fusion, #844 - Ace and the Race, #845 - The Royal Rival, #846 - The Royal Rumble, #847 - Grave Robber, #848 - Monkey Business, #849 - The Adventures of Redbot, #850 - Abrakadanger, #853 - Past, Presents, and Future
- Lavagor #832 - Return of the Prism
- Madame Odius #832 - Return of the Prism, #833 - Forged in Steel, #834 - Live and Learn, #835 - Presto Change-O, #836 - Drive to Survive, #837 - My Friend Redbot, #838 - Hack Attack, #839 - Gold Rush, #841 - The Ranger Ribbon, #842 - Poisonous Plots, #843 - Family Fusion, #845 - The Royal Rival, #846 - The Royal Rumble, #850 - Abrakadanger, #851 - Helping Hand, #852 - Galvanax Rises
- Phonepanzee #848 - Monkey Business
- Ripcon #832 - Return of the Prism, #833 - Forged in Steel, #834 - Live and Learn, #835 - Presto Change-O, #836 - Drive to Survive, #837 - My Friend Redbot, #838 - Hack Attack, #839 - Gold Rush, #840 - Rocking & Rolling, #841 - The Ranger Ribbon, #842 - Poisonous Plots, #843 - Family Fusion, #853 - Past, Presents, and Future
- Ripperrat #833 - Forged in Steel
- “Shadow Monster” #839 - Gold Rush
- Shoespike #844 - Ace and the Race
- Skullgators #834 - Live and Learn, #839 - Gold Rush, #843 - Family Fusion, #845 - The Royal Rival, #847 - Grave Robber
- Slogre #835 - Presto Change-O, #847 - Grave Robber
- Spinferno #834 - Live and Learn, #847 - Grave Robber
- Stonedozer #840 - Rocking & Rolling
- Tangleweb #836 - Drive to Survive
- Toxitea #842 - Poisonous Plots
- Trapsaw #841 - The Ranger Ribbon, #847 - Grave Robber, #849 - The Adventures of Redbot
Total: 26 monsters