Robert Kelly "Rob" Thomas (born February 14, 1972) is an American rock recording artist and songwriter. He is the primary songwriter and lead singer of the band Matchbox Twenty. Thomas also records and performs as a solo artist. Thomas earned three Grammy Awards for co-writing and singing on the Santana triple-platinum hit "Smooth", on the album Supernatural in 1999.

He has also lent his songwriting talents to such artists as Tom Petty, Willie Nelson, Mick Jagger, Marc Anthony, Pat Green, Taylor Hicks, Travis Tritt and Daughtry.