E. J. Flanagan (1883 – July 10, 1957), from Wapato, Washington, was a member of the Washington State Senate.
Flanagan was born in Wisconsin in 1883.
Flanagan was a member of the Senate from 1943 to 1947.
He was a Republican.
Poor health forced Flanagan to resign from office in the winter of 1956, and he died the following year in Yakima, Washington.