Samwel Mwera Chegere (born 3 June 1985) is a Tanzanian middle distance runner who specializes in the 800 and 1500 metres. He was born in Musoma.
| Representing | ||||||
|---|---|---|---|---|---|---|
| 2001 | World Youth Championships | Debrecen, Hungary | 5th | 1500 m | 3:44.85 | |
| 2002 | World Junior Championships | Kingston, Jamaica | 3rd | 1500 m | 3:41.75 | |
| 2003 | All-Africa Games | Abuja, Nigeria | bgcolor=gold | 1st | 800 m | 1:46.13 |
| 6th | 1500 m | 3:45.76 | ||||
| Afro-Asian Games | Hyderabad, India | 3rd | 800 m | 1:47.98 | ||
| 2004 | World Indoor Championships | Budapest, Hungary | – | 800 m | DQ | |
| Olympic Games | Athens, Greece | 4th (h) | 800 m | 1:45.30 | ||
| 2005 | World Championships | Helsinki, Finland | – | 800 m | DQ | |
| 2006 | Commonwealth Games | Melbourne, Australia | – | 800 m | DQ | |
| 2007 | World Championships | Osaka, Japan | 25th (h) | 800 m | 1:46.24 | |
| 2008 | Olympic Games | Beijing, China | 54th (h) | 800 m | 1:50.67 | |