Galina Tancheva (; born May 18, 1987 in Varna) is a retired Bulgarian rhythmic gymnast. She contributed to a silver medal effort for the Bulgarian squad in the group all-around at the 2003 World Rhythmic Gymnastics Championships in Budapest, Hungary, and later added a bronze to her career hardware in the same program at the 2004 Summer Olympics in Athens. Tancheva is also the twin sister of fellow rhythmic gymnast Vladislava Tancheva.