The Medieval Academy of America is the largest organization in the United States promoting excellence in the field of medieval studies. It was founded in 1925 and is based in Cambridge, Massachusetts. The academy publishes the quarterly journal Speculum, and awards prizes, grants, and fellowships such as the Haskins Medal, which is named for Charles Homer Haskins, one of the founders of the Medieval Academy and its second president.

The Medieval Academy supports research, publication, and teaching in medieval art, archaeology, history, law, literature, music, philosophy, religion, science, social and economic institutions, and all other aspects of the Middle Ages.

Membership is open to all persons interested in the Middle Ages. The Academy holds an annual meeting  each spring.