Samuel Chelanga (born February 23, 1985 in Baringo County, Kenya) is a Kenyan-born American track and field athlete who competed for Liberty University in Lynchburg, Virginia from 2008 to 2011.
He holds the NCAA record for the 10,000 meters run with a time of 27:08.49 set at the Payton Jordan Cardinal Invitational at Palo Alto, California on May 1, 2010.
His brother, Joshua Chelanga, is a professional marathon runner.