Svetlana Mikhailovna Pospelova (ru|Светлана Михайловна Поспелова; born December 24, 1979, in Saint Petersburg) is a Russian sprinter who primarily competes over 400 metres.
She was banned from competing in 2000 after she failed an out-of-competition test at the 2000 Summer Olympics. She received a two-year ban from the sport for the positive test for stanozolol.[1]
| 1998 | World Junior Championships | Annecy, France | 18th (h) | 400m | 54.80 | |
| bgcolor=silver | 2nd | 4 × 400 m relay | 3:32.35 | |||
| 1999 | European U23 Championships | Gothenburg, Sweden | 12th (h) | 400m | 54.05 | |
| bgcolor=gold | 1st | 4 × 400 m relay | 3:29.04 | |||
| 2005 | European Indoor Championships | Madrid, Spain | 1st | 400 metres | 50.41 | |
| Helsinki, Finland | 4th | 400 metres | 50.11 | |||
| Helsinki, Finland | 1st | 4 × 400 m relay | 3:20.95 | |||
| 2006 | European Championships | Gothenburg, Sweden | 7th | 400 metres | 50.90 | |
| 1st | 4 × 400 m relay | 3:25.12 | ||||
| 2010 | World Indoor Championships | Doha, Qatar | DSQ (2nd) | 4 × 400 m relay | 3:27.44 |