Richard Whiting Blue (September 8, 1841 – January 28, 1907) was a farmer, teacher, lawyer, judge, state senator, and U.S. Representative. He served in the Union Army during the American Civil War. He lived in Virginia and then Kansas.
Blue was elected as a Republican to the Fifty-fourth Congress (March 4, 1895 – March 3, 1897).
He was an unsuccessful candidate for reelection in 1896 to the Fifty-fifth Congress.
He engaged in the practice of law until his death in Bartlesville, Washington County, Oklahoma, January 28, 1907.
He was interred in Pleasanton Cemetery, Pleasanton, Kansas.