| Octavian Cătălin Bizău | |
| Fullname: | Octavian Cătălin Bizău |
| Birth Date: | 21 November 1997 |
| Birth Place: | Baia Mare |
| Nationality: | Romanian |
| Position: | Centre back |
| Currentclub: | CSA Steaua București |
| Clubnumber: | 73 |
| Youthyears1: | –2016 |
| Youthclubs1: | Minaur Baia Mare |
| Years1: | 2016–2020 |
| Clubs1: | CSM București |
| Years2: | 2017–2019 |
| Clubs2: | → Steaua București |
| Years3: | 2020–2023 |
| Clubs3: | CS Dinamo București |
| Nationalyears1: | 2017– |
| Nationalteam1: | Romania |
| Clubs4: | CSA Steaua București |
| Years4: | 2023- |
Octavian Bizău (born 21 November 1997)[1] is a Romanian handballer who plays for CSA Steaua București.