| Volodymyr Nikolaychuk | |
| Native Name: | Володимир Григорович Ніколайчук |
| Strokes: | Backstroke |
| Birth Date: | 29 April 1975 |
| Height: | 6 ft 2 in |
| Weight: | 170 lb |
Volodymyr Hryhorovych Nikolaychuk (Ukrainian: Володимир Григорович Ніколайчук,[1] born 29 April 1975) is a backstroke swimmer from Ukraine, who represented his native country at three consecutive Summer Olympics, starting in 1996. He won a bronze and a silver medal at the 2000 European Long Course Championships in Helsinki, Finland.