"Richest Man on Earth" is a song co-written and recorded by American country music artist Paul Overstreet. It was released in April 1990 as the fifth single from his 1989 album Sowin' Love. The song reached No. 3 on the Billboard Hot Country Singles & Tracks chart in August 1990. It was written by Overstreet and Don Schlitz, with A.R. Danes.