| Birth Date: | 2 January 1980 |
| Height: | 1.69m (05.54feet) |
| Weight: | 57kg (126lb) |
| Sport: | Swimming |
| Club: | Dynamo St. Petersburg |
Olga Eduardovna Landik (Russian: Ольга Эдуардовна Ландик; 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.[1]