Lonnie Melvin Tillis (August 8, 1932 – November 19, 2017) was an American country music singer and songwriter. Although he recorded songs since the late 1950s, his biggest success occurred in the 1970s as part of the outlaw country movement, with a long list of Top 10 hits.

Tillis' biggest hits include "I Ain't Never", "Good Woman Blues", and "Coca-Cola Cowboy". On February 13, 2012, President Barack Obama awarded Tillis the National Medal of Arts for his contributions to country music. He also won the Country Music Association Awards' most coveted award, Entertainer of the Year. Tillis was a member of the Grand Ole Opry, Nashville Songwriters Hall of Fame, and Country Music Hall of Fame. Additionally, he was known for his stutter, which did not affect his singing voice. His daughter is 1990s country hitmaker Pam Tillis.