Kelly Steven Blatz (born June 16, 1987) is an American actor, director, writer, producer, editor and musician. He is best known for playing the lead role in Aaron Stone.

Blatz made his acting debut in The Oakley Seven (2006). He had a brief role in the horror film Simon Says and appears in the 2008 remake of Prom Night. Blatz played a heart-wrenching role in the independent feature film April Showers. He has since become well-known for his role as Aaron Stone in the Disney XD television show of the same name, and Blatz is also the lead singer of Los Angeles-based vintage rock band CAPRA. He dated Blake Lively from 2004-2007.