Robert Lathan Calhoun (July 22, 1937 – August 6, 2020) was an American attorney and politician. He was a Republican member of the Alexandria City Council and the Senate of Virginia between 1988 and 1996. He was born in Oak Park, Illinois.
Calhoun died of prostate cancer on August 6, 2020, in Berryville, Virginia, at age 83.