James S. Sclater (b. 1943) is a retired professor of music from Mississippi College, where he taught advanced music theory, counterpoint, orchestration, ear training, choral arranging, and band arranging for forty years. He attended the University of Texas at Austin where he received a doctorate of musical arts in composition. He continued his post-graduate studies in theory and composition at the University of Southern Mississippi.
Sclater has been awarded the prize for music composition from the Mississippi Institute of Arts and Letters on six different occasions and has won numerous other awards. He has previously served as a clarinetist in the Mississippi Symphony Orchestra, music librarian in the Austin Public Library, and has been a member of professional associations such as the International Clarinet Association, the Jackson Wind Symphony, and the Mississippi Music Teachers Association. Sclater won the 1974 ABA Ostwald Award for his composition Visions.