This document is the 2002 yearbook for the International Optimist Dinghy Association (IODA). The IODA works to promote and support the Optimist dinghy, a small sailboat used for youth sailing races around the world. The IODA coordinates youth sailing activities between member countries with the goals of providing affordable sailboat racing for young people. The yearbook lists IODA member countries and details international Optimist dinghy racing events and championships that took place in 2002.