IMSA is the International Motor Sports Association, an auto racing governing body headquartered in Daytona Beach, Florida, United States.
IMSA may also refer to:
International Motor Sports Association
IMSA SportsCar Championship, International Motor Sports Association's flagship racing series from 2014 to present. IMSA GT Championship, International Motor Sports Association's flagship racing series from 1971 to 1998. IMSA GT3 Cup Challenge IMSA Prototype Challenge IMSA VP Racing SportsCar Challenge IMSA Ford Mustang Challenge
Other motorsport
IMSA Performance, a French sports car racing team competing in European Le Mans series
Other Illinois Mathematics and Science Academy, a residential school located in Aurora, Illinois Indigenous Marine Stewardship Area International Mind Sports Association, an association formed by the international federations of several intellectual games International Municipal Signal Association, an association covering standards, certification, and training in areas of fire alarms, highway signs and markings, traffic signals, and roadway lighting