Paul Herman Buck (August 25, 1899 – December 23, 1978) was an American historian.

He received a Bachelor's degree (1921) and an MA (1922) from Ohio State University.

He went to Harvard University for his graduate studies, and received a Master's degree in 1924.

After studying for one year in Britain and France under a Sheldon traveling fellowship, he joined Harvard as an instructor in history in 1926.

[4] He also published The Role of Education in American History in 1957, and Libraries & Universities: Addresses and Reports in 1964.