Stephen Joseph Hardin (October 27, 1946 – June 28, 2015) was an American songwriter, keyboardist, and harmonica and clavinet player. He was probably best known as the writer of top-ten country hits "I Love My Truck" (#10, Glen Campbell) and "Breakin' Down" (#10, Waylon Jennings), although his diverse career included performing tours with Point Blank, Glen Campbell and Steppenwolf; a seven-year gig in a south Florida Reggae band; and a solo CD with backup vocals by Gretchen Wilson.