The men's Hansa 303 competition at the 2023 Sailing World Championships was the men's one-person non-technical para event and was held in The Hague, the Netherlands, 11–16 August 2023. The entries were limited to 50 boats. The competitors participated in a series that was planned to 10 races. The last race was planned for 16 August.
Summary.
Piotr Cichocki of Poland had won the 2022 Para World Sailing Championships in Hiroshima before Gauthier Bril of France.
Cichocki took the lead with a total of three points in two races, one point ahead of Takumi Niwa of Japan. Cichocki secured the championship title on the penultimate day, being nine points ahead of Niwa.