Deborah Anne "Debbie" Sosimenko (born 5 April 1974 in Sydney) is a retired female hammer thrower from Australia, who represented her native country at two consecutive Summer Olympics, starting in 2000. She won a total number of eight national titles during the 1990s and early 2000s.
| Representing | |||||
|---|---|---|---|---|---|
| 1997 | Universiade | Catania, Italy | 3rd | 65.02 m | |
| 1998 | Goodwill Games | Uniondale, United States | 4th | 65.82 m | |
| Commonwealth Games | Kuala Lumpur, Malaysia | 1st | 66.56 m | ||
| 1999 | Universiade | Palma de Mallorca, Spain | 5th | 62.88 m | |
| World Championships | Seville, Spain | 5th | 65.52 m | ||
| 2000 | Olympic Games | Sydney, Australia | 5th | 67.95 m | |
| 2004 | Olympic Games | Athens, Greece | 44th (q) | 57.79 m | |