William Oldham
William Oldham may refer to:
- William Oldham, English international rugby union player
- William Kavanaugh Oldham, acting Democratic governor of the U.S. state of Arkansas, 1913
- William Fitzjames Oldham, Indian-born British-American bishop and missionary
- William Simpson Oldham, Sr., politician in the Confederate States of America during the American Civil War
- William Oldham , American Revolutionary War soldier and namesake of Oldham County, Kentucky
- Will Oldham, American singer, songwriter, and actor