Monsters featured in Power Rangers Ninja Steel
- Badpipes 837
- #837 - My Friend Redbot
- Basherbots 840
- #840 - Rocking & Rolling
- Cosmo Royale 832–840
- #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
- Galvanax 832–839
- #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
- Hacktrack 838
- #838 - Hack Attack
- Korvaka 832
- #832 - Return of the Prism
- Kudabots 832–840
- #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
- Lavagor 832
- #832 - Return of the Prism
- Madame Odius 832–839
- #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
- Ripcon 832–840
- #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
- Ripperrat 833
- #833 - Forged in Steel
- “Shadow Monster” 839
- #839 - Gold Rush
- Skullgators 834, 839
- #834 - Live and Learn
- #839 - Gold Rush
- Slogre 835
- #835 - Presto Change-O
- Spinferno 834
- #834 - Live and Learn
- Stonedozer 840
- #840 - Rocking & Rolling
- Tangleweb 836
- #836 - Drive to Survive
Total: 17 monsters