Hirooki
| Gender | Male | 
|---|---|
| Origin | |
| Word/name | Japanese | 
| Meaning | Different meanings depending on the kanji used | 
| Other names | |
| Related names | Hiroki, Hiroko, Hiroka, Hiroshi, Hiro | 
Hirooki (written: 広宙 or 洋央紀) is a masculine Japanese given name. Notable people with the name include:
- Hirooki Arai (荒井 広宙; born 1988), Japanese racewalker
 - Hirooki Goto (後藤 洋央紀; born 1979), Japanese professional wrestler