Monika Georgieva Gachevska (Bulgarian: Моника Георгиева Гачевска; born 30 January 1974 in Pleven) is a retired Bulgarian athlete who competed in the sprinting events. She represented her country at three consecutive Olympic Games, starting in 1996, as well as three outdoor and three indoor World Championships. Her biggest achievement is the bronze medal secured at the 1997 Summer Universiade.