Andrzej Gronowicz (born March 7, 1951 in Piła) is a Polish sprint canoer who competed in the 1970s. Competing in two Summer Olympics, he won a silver medal in the C-2 500 m event at Montreal in 1976.
Gronowicz also won three medals at the ICF Canoe Sprint World Championships with a silver (C-2 1000 m: 1974) and two bronzes (C-2 500 m: 1973, C-2 1000 m: 1977).
Gronowicz became the head coach of the Saskatoon Racing Canoe Club of Saskatoon, Saskatchewan, in 1988. He is a certified Level 3 coach under the NCCP (National Coaching Certification Program) and is pursuing Level 4 certification. His athletes have gone on to compete internationally at the Summer Olympics and the ICF Canoe Sprint World Championships.