William P. Bolton (July 2, 1885 – November 22, 1964) was a one-term U.S. Congressman who represented the second district of Maryland from 1949 to 1951 until defeated by Republican General James Devereux.

After Congress, Bolton served as director of Baltimore County Civil Defense in 1951, and died in Baltimore in 1964. He is interred in Mount Maria Cemetery of Towson.