Marc Klasfeld is an American music video director. He has directed over two hundred music videos for artists such as Britney Spears, Katy Perry, Jay-Z, Kid Rock, Red Hot Chilli Peppers, Michael Buble , Nelly,Foo Fighters, Jewel, Sum 41,Avril Lavigne , Aerosmith and many others with multiple MTV award wins and nominations.

Klasfeld made his feature film writing and directorial debut in 2005 with The L.A Riot Spectacular.

He is also the founder of Rockhard, a music video production company that also houses directors Ray Kay,Sanaa Hamri, Robert Hales, Ethan Lader and Erik White among others.

He is also a director of television commercials for Target, Nike, NFL, NBA, Motorola, Reebok, Cartoon Network and Hummer. His best known commercial work is for Justin Timberlake's Target campaign, ESPN's This is sportscentre campaign, Hammer Pants Dance for the A&E Network's reality show Hammertime, Avril Lavigne's Canon campaigns and Smirnoff's Green Tea Partay viral video sang by Sebastian Siegel.

On March 29, 2010 Klasfeld released a comedic video of an elementary school reenactment of the Al Pacino film Scarface, entitled "Scarface School Play". It was a viral sensation that was featured on CNN, CBS, ABC, NBC and Fox News Channel.

He is a graduate of NYU's Tisch school of arts.