This page lists Ultimate-tier units in Ultimate Tower Defense.
- Admiral Kizaru
- Aku
- Aroma
- Awakened Dori
- Berserk Gus
- Brolee Unleashed
- Burdock (Unrivaled Power)
- Choz
- Christmas Power
- Conan
- Crimson Haired Pirate
- Dark Flame Master
- Dark Gen
- Demon King (Evolved)
- Dendi
- Egriss
- Emiri
- Fleet Admiral Akainu
- Flocka
- Hameru
- Itchi Instinct Lord
- Itchi Moonless Sky
- Itchi Mugetsu
- Kid Himhan Enraged
- King Crimson Requiem
- Kojo Unmasked
- Lite
- Lord Boris (Sealed)
- Lord Boris (Unleashed)
- Meruem
- Nokia White Haze
- Number 2
- Number 9
- Power
- Power (Blood Fiend)
- Prime Greybeard (Evolved)
- Psycho
- Renji
- Rodeaus
- Roshu (Contempt)
- Salter
- Shadow
- Shadow Gio
- Shadow The World Requiem
- Slimuru
- Tanjie (Evolved)
- Teriyaki
- The Black Primordial
- The Drink
- The God-Killing Spear
- The Hero Of Hell
- The Infallible (Idle Stance)
- The Primera (Evolved)
- The Sentinel
- The Tyrant's Eye
- Thor
- Tomio
- Troy Mustard (Evolved)
- Tsunami
- Urume
- Vigil
- Web Head (Suit)