Benjamin Pixley Birdsall (October 26, 1858 – May 26, 1917) was a three-term Republican U.S. Representative from Iowa's 3rd congressional district during the first decade of the 20th century.Born in Weyauwega, Wisconsin, Birdsall attended the common schools of Iowa and the University of Iowa, Iowa City. He studied law, was admitted to the bar in 1878 and practiced in Clarion, Iowa.