Anna Katrina Simcic-Forrest (born 8 November 1971), best known under her maiden name Anna Simcic, is a former New Zealand swimming representative. She represented New Zealand at two Olympic Games, at the 1992 Summer Olympics she placed 5th in the final of the women's 200 m backstroke. In 1996 at the Atlanta Olympics she placed 6th in the same event.
She won a gold medal at the 1990 Commonwealth Games in the women's 200 m backstroke. At the same Games she also won a silver medal in the women's 100 m backstroke. Four years later at the 1994 Commonwealth Games she won another silver medal in the women's 200 m backstroke.