Sea-Doo is a Canadian brand of personal watercraft (PWC) and boats manufactured by Bombardier Recreational Products (BRP).

All Sea-Doo models are driven by an impeller-driven waterjet. All Sea-Doo PWC models are produced at BRP's plants in Querétaro and Juárez, Mexico. Its Rotax engines are produced at BRP's plant in Gunskirchen, Austria. In 2016, Sea-Doo had a 45.8% share of the PWC market in the US.