Jan Olis (born 15 February 1954) is a former Polish ice hockey player. He primarily played as a forward.
Olis spent the entirety of his club career in Poland, most notably with Legia Warsaw. He was a significant figure for Legia during the 1970s and early 1980s.
He was also a regular member of the Poland men's national ice hockey team. Olis represented Poland in several major international tournaments, including:
- The 1976 Winter Olympics held in Innsbruck, Austria.
- Multiple IIHF World Championships (including tournaments in 1975, 1976, 1977, and 1979).
Known for his offensive capabilities, Olis was a key contributor to both his club and the national team during his active career.