Ultraman Orb (ウルトラマンオーブ, Urutoraman Ōbu) is a Japanese tokusatsu television series produced by Tsuburaya Productions and broadcast on TV Tokyo. It is the 20th entry (28th overall) in the Ultra Series and released to commemorate its 50th anniversary of the Ultra Series and is the first since Ultra Galaxy Mega Monster Battle: Never Ending Odyssey not to be a part of Ultraman Retsuden/New Ultraman Retsuden. Similar to its preceding series, Ultraman X, Orb is also simulcasted in North America via Crunchyroll. The series was also released on Toku on July 2, 2018, and then added to its streaming platform the following month.

The show's main catchphrases are "Let me borrow the power of your lights!" (光の力、おかりします！, Hikari no chikara, okarishimasu!) and "Awaken, the warrior of light." (覚醒せよ、光の戦士。, Kakusei seyo, hikari no senshi.).