Christopher Joseph Lennertz (born January 2, 1972) is an American composer of film, television, and video game scores. He is a dual citizen of the United States and Italy. His musical scores have appeared in Alvin and the Chipmunks, Hop, Think Like a Man, and Horrible Bosses, and the video game series Medal of Honour, created by Steven Spielberg. He composed the score for Supernatural, Revolution, and The Boys, all television series created by Eric Kripke. He has collaborated with film directors Tim Hill, Matthew O'Callaghan, Seth Gordon, Tim Story, Tyler Perry, Josh Greenbaum, and Kelly Asbury.

He has also appeared in Galavant and Sausage Party with Alan Menken and Marvel's Agent Carter, including a first-ever Marvel musical number co-written with Tony award-winning lyricist David Zippel. He wrote the songs for UglyDolls with Glenn Slater. He composed the score for the Netflix series Lost in Space and the Amazon Prime Video series The Boys from Kripke, Seth Rogen, and Evan Goldberg.