William Sawelson (August 5, 1895 – October 26, 1918) was a sergeant in the U.S. Army during World War I. He received the Medal of Honor for valor in combat. The medal was posthumously presented to his father Jacob L. Sawelson at Governors Island. He is buried at the Meuse-Argonne American Cemetery and Memorial east of the village of Romagne-sous-Montfaucon.