| Semmy Kessy | |
| Fullname: | Semmy Kessy Assani |
| Birth Date: | 30 November 1984 |
| Birth Place: | Dar es Salaam, Tanzania |
| Position: | striker |
| Clubs1: | Young Africans |
| Clubs2: | Bandari |
| Years3: | 2010–2011 |
| Clubs3: | Toto Africa |
| Years4: | 2011–2013 |
| Clubs4: | African Lyon |
| Years5: | 2013–2014 |
| Clubs5: | Lipuli |
| Years6: | 2014 |
| Clubs6: | La Passe |
| Years7: | 2015–2017 |
| Clubs7: | Madini |
| Nationalyears1: | 2002–2006 |
| Nationalteam1: | Tanzania |
| Nationalcaps1: | 3 |
| Nationalgoals1: | 1 |
| Pcupdate: | 10 May 2021 |
| Ntupdate: | 10 May 2021 |
Semmy Kessy (born 30 November 1984) is a retired Tanzanian football striker.