Carl Emil Seashore, born Sjöstrand (January 28, 1866 – October 16, 1949) was a prominent American psychologist and educator. He was the author of numerous books and articles principally regarding the fields of speech-language pathology, music education, and the psychology of music and art. He served as Dean of the Graduate College of University of Iowa from 1908–1937. He is most commonly associated with the development of the Seashore Tests of Musical Ability.