One Day is the sixth studio album by Canadian post-hardcore band Fucked Up. The album was released on January 27, 2023, through Merge Records, four years after their previous album Dose Your Dreams.

Three singles were released ahead of the album's release: the self-titled track and "Found", which were released in late 2022, and "I Think I Might Be Weird", which came out in early 2023.

One Day was well-received by contemporary music critics, with the album enjoying "universal acclaim" on Metacritic and AnyDecentMusic?.