Joan Crespo Sistiaga (born 29 January 1988) is a Spanish slalom canoeist who has competed at the international level since 2004. He won four medals at the ICF Canoe Slalom World Championships with a gold (K1 team: 2019) and three bronzes (K1: 2019, 2021, K1 team: 2009). He also won a bronze medal in the K1 team event at the 2016 European Championships in Liptovský Mikuláš.