| Anna Kozak | |
| Fullname: | Anna Kozak |
| Birth Date: | 1974 6, df=yes |
| Birth Place: | Novolukoml, BSSR, USSR, now Belarus |
| Height: | 1.72 m |
| Weight: | 56 kg |
| Sport: | Athletics |
| Pb: | 400m (50.94s) (Madrid 1996) 300m(indoor) (37.40s) (Mogilev 2006) |
Anna Kozak (Belarusian: Ганна Казак; born 22 June 1974) is a Belarusian sprinter.
Together with Natallia Salahub, Ilona Usovich and Sviatlana Usovich she won a silver medal in 4 x 400 metres relay at the 2004 IAAF World Indoor Championships. For the 2006 IAAF World Indoor Championships, the Belarusian team had substituted Svetlana Usovich with Yulyana Zhalniaruk, and won a bronze medal.