Benjamin Pixley Birdsall (October 26, 1858 – May 16, 1916[1]) was a three-term Republican U.S. Representative from Iowa's 3rd congressional district during the first decade of the 20th century.

In 1902, Birdsall was elected as a Republican to the Fifty-eighth Congress, after the incumbent, Speaker of the United States House of Representatives David B. Henderson chose not to run for re-election.

Birdsall defeated former Iowa Governor Horace Boies in that race.

According to the November 1903 Congressional Directory, Birdsall "has been twice married—his first wife, Bertha H. Shultz, deceased 1886; remarried in 1888 to Belle Johnston, of Clarion.

[3] In February 1908 Birdsall pulled out of the race, explaining that he wished to return to the practice of law.