Fonejacker is a British sketch comedy programme broadcast on E4 featuring a series of prank calls involving a number of different characters performed by British Iranian television actor Kayvan Novak. It first appeared in May 2006 and became a full series in 2007.

Kayvan Novak is a British actor and comedian. He co-created and starred in the comedy series Fonejacker (2006–2008) and Facejacker (2010–2012), winning the BAFTA Television Award for Best Comedy in 2008.