Olga Eduardovna Landik (; born 2 January 1980) is a retired Russian breaststroke swimmer who won a silver medal in the 4×100 m medley relay at the 1997 European Aquatics Championships. She also competed in the 100 m breaststroke at the 1996 Summer Olympics.

Landik started swimming in a club since 1987, and in 1994 won a gold medal at the Junior European Championships. During her career she won 10 national senior titles. After retirement, she worked as a swimming coach (1998–2000) and then as a stylist. In 2003, she graduated with honors from a Sports Academy and later enrolled to the Saint Petersburg State Polytechnical University.Ландик Ольга (1980) . ekran.swimming.ru

References Olga Landik. sports-reference.com Olga LANDIK. les-sports.info Ландик Ольга Эдуардовна (Landik Ol'ga Eduardovna). lesgaft.spb.ru