| Wiesław Czaja | |
| Birth Date: | 12 April 1952 |
| Birth Place: | Czechowice-Dziedzice, Poland |
| Years: | 1972–1975 1975–1977 1977–1982 |
| Nationalyears: | 1974–1980 |
| Nationalteam: | (205) |
| Coachyears: | 2000–2003 |
| Coachteams: | Skra Bełchatów |
Wiesław Czaja (born 12 April 1952) is a Polish former volleyball player and coach, a member of the Poland national team from 1974 to 1980 and the 1974 World Champion. He competed in the 1980 Summer Olympics held in Moscow, finishing in 4th place with his national team.