| Sahr Lahai | |
| Fullname: | Sahr Lahai |
| Birth Date: | 1 April 1984 |
| Birth Place: | Kenema, Sierra Leone |
| Position: | Defender |
| Currentclub: | Digenis Oroklinis |
| Years1: | 2002–2008 |
| Years2: | 2008–2010 |
| Years3: | 2010–2011 |
| Years4: | 2011–2013 |
| Clubs2: | Ethnikos Achnas |
| Clubs3: | Onisilos Sotiras |
| Clubs4: | Digenis Oroklinis |
| Caps2: | 34 |
| Caps3: | 9 |
| Caps4: | 0 |
| Goals2: | 1 |
| Goals3: | 0 |
| Goals4: | 0 |
| Nationalyears2: | 2005–present |
| Nationalteam2: | Sierra Leone |
| Nationalcaps1: | 5 |
| Nationalgoals1: | 0 |
| Pcupdate: | 24 May 2010 |
| Ntupdate: | 24 May 2009 |
Sahr Lahai (born April 1, 1984 in Kenema, Sierra Leone) is a Sierra Leonean professional footballer. He is a defender and plays for Digenis Oroklinis in the Cypriot Third Division. He is also a member of the Sierra Leone national football team. He made his international for the Leone Stars in 2005. He was a regular member of the Sierra Leone team that participated at the 2005 Amílcar Cabral Cup (also known as the Zone 2).
Lahai began his football career with Giant F.C. in the Sierra Leone National Premier League in 2003. He signed a contract with Cyprus club Ethnikos Achnas in 2008.