Steve Rogers aka CaptainAmerica, Marvel Comics superhero
Steve, default avatar in computer game "Minecraft"
Steve Burnside, character in the Resident Evil series
Steve Austin, character on TV's "Six Million Dollar Man"
Steve van Gerbig, character on TV's "Gilmore Girls"
Steve Carlsberg, character in the podcast "Welcome To NightVale"
Steve Leonard, character in Cirque Du Freak series StevenJames "Steve" McDonald, character on British soap "Coronation Street"
Steve Elliot, character on British soap "EastEnders"