Flower Moon may refer to:
- A full moon
- "Flower Moon", a track on the Vampire Weekend album Father of the Bride (album)
- Flower moon, a phenomenon of fields of blooms featured in the book and the film discussed below
- Killers of the Flower Moon (book), a nonfiction book about Osage murders by David Grann
- Killers of the Flower Moon (film), a film adaptation of the book