| Sajjad Esteki | |
| Nationality: | Iranian |
| Birth Date: | 23 April 1990 |
| Position: | Left Back |
| Currentclub: | CSM Bacău |
| Years1: | 2015 |
| Clubs1: | TVB 1898 Stuttgart |
| Years2: | 2015–2016 |
| Clubs2: | Al-Gharafa |
| Years3: | 2016–2018 |
| Clubs3: | Dinamo București |
| Years4: | 2018–2019 |
| Clubs4: | CSM București |
| Years5: | 2019–2021 |
| Clubs5: | Cesson Rennes MHB |
| Years6: | 2021–2022 |
| Clubs6: | Al-Arabi SC |
| Years7: | 2022 |
| Clubs7: | Eger-Eszterházy SzSE |
| Years8: | 2022- |
| Clubs8: | CSM Bacău |
| Nationalyears1: | 2006–2022 |
| Nationalteam1: | Iran |
| Nationalcaps1: | 63 |
| Nationalgoals1: | 350 |
Sajjad Esteki (Persian: سجاد استکی, born 23 April 1990) is an Iranian handball player who currently plays for CSM Bacău and the Iran men's national handball team.
Esteki was the top scorer in the 2009 Youth World Handball Championship with 65 goals. He repeated the same performance in 2011, being top scorer in the Junior World Handball Championship with 84 goals.