Steven Scott Harwell was an American musician. He was the lead vocalist and frontman for the rock band Smash Mouth from its formation in 1994 until his retirement in 2021. Their songs include "Walkin' on the Sun" and "All Star".

Smash Mouth is an American rock band from San Jose, California. The band was formed in 1994 and was originally composed of Steve Harwell, Kevin Coleman (drums), Greg Camp (guitar), and Paul De Lisle (bass). With Harwell's departure in 2021, De Lisle is now the only original member. They are known for their songs "Walkin' on the Sun" (1997), "All Star" (1999), and "Then The Morning Comes" (1999), as well as a cover of The Monkees' "I'm a Believer" (2001).