Hirooki
{{Infobox given name
| name = Hirooki
| image =
| image_size =
| caption =
| pronunciation =
| gender = Male
| meaning = Different meanings depending on the kanji used
| region =
| language =
| origin = Japanese
| alternative spelling =
| nickname =
| variant forms =
| related names = Hiroki, Hiroko, Hiroka, Hiroshi, Hiro
| name day =
| derived =
| popularity =
| footnotes =
}}
Hirooki (written: 広宙 or 洋央紀) is a masculine Japanese given name. Notable people with the name include:
- {{Nihongo|Hirooki Arai|荒井 広宙||born 1988}}, Japanese racewalker
- {{Nihongo|Hirooki Goto|後藤 洋央紀||born 1979}}, Japanese professional wrestler