Henslee Clifford "Bill" McLellan (May 26, 1932 – September 30, 2013) was an American college athletics administrator.

McLellan was born in Hamer, South Carolina, and graduated from Dillon High School.

In both instances, McLellan performed only cursory internal investigations before penalties were handed down by the National Collegiate Athletic Association.

[5] A steroid scandal in 1984–85 led to the ouster of university president Bill Lee Atchley, while McLellan was placed on a leave of absence.

[7] After a brief stint at Eastern Foods (owned by Clemson alumnus Robert H. Brooks), McLellan was hired as athletic director at the University of Southern Mississippi in 1986.