Olena Pastushenko-Sinyavina (Ukrainian: Олена Пастушенко-Синявіна, born 14 July 1979) is a retired Ukrainian sprinter who specialized in the 100 metres and 200 metres. She won the silver medal in the 100 metres at the 1999 European U23 Championships. She competed in the 200 metres at the 2000 Olympic Games and the 2003 World Indoor Championships without reaching the final, and in the 100 metres at the 2002 European Championships and the 2003 World Championships without reaching the final.