Steven Molaro is an American television writer and producer best known for his work as a writer, producer and showrunner on The Big Bang Theory.

In the 2000s, Molaro wrote for a number of Nickelodeon shows including The Amanda Show, Drake & Josh, All That, Zoey 101 and iCarly. Before The Big Bang Theory, Molaro wrote for sitcoms including Complete Savages and The Class.

Molaro has been a writer and producer on The Big Bang Theory since 2007. In 2012, Molaro replaced The Big Bang Theory co-creator Bill Prady as showrunner. Molaro created Young Sheldon with The Big Bang Theory co-creator Chuck Lorre and will be the showrunner.