William Doddridge McFarlane (July 17, 1894 – February 18, 1980) was a United States Representative from Texas. Born in Greenwood, Arkansas, McFarlane attended public schools and the University of Arkansas at Fayetteville 1909-1914. He engaged in the mercantile business in Greenwood, Arkansas from 1914 to 1918. During the First World War he was commissioned a second lieutenant in August 1918, and served until honorably discharged on December 13, 1918. He returned to the University of Arkansas in 1919 and received his B.A. that year from Kent Law School, Chicago, Illinois and his LL.B. in 1921; later, in his seventies, he completed his J.D. there in 1969. He was admitted to the bar in 1921 and commenced practice in Graham, Texas.