Zornitsa Marinova (; born January 6, 1987 in Veliko Tarnovo) is a retired Bulgarian rhythmic gymnast. She represented Bulgaria in two editions of the Olympic Games (2004 and 2008), and also contributed to a fourth-place effort in the group all-around tournament at the 2007 World Rhythmic Gymnastics Championships in Patras, Greece. At the 2004 Summer Olympics in Athens, Marinova claimed a bronze medal in the same program as a member of the Bulgarian gymnastics squad. During her sporting career, Marinova trained for Iliana Gymnastics Club in Levski under her head coach Adriana Dunavska and her assistant coach Mariela Pashalieva.