Kem Nunn (born 1948) is an American fiction novelist, surfer, magazine and television writer from California. His novels have been described as "surf-noir" for their dark themes, political overtones and surf settings. He is the author of five novels, including his seminal surf novel Tapping the Source.
Kem Nunn grew up in Pomona and Northern California. He has written the novels Tapping the Source,Dogs of Winter, Pomona Queen, Unassigned Territory, Tijuana Straits, and Chance. He received an MFA in creative writing from UC Irvine.
Nunn joined the crew of the HBO western drama Deadwood as a writer for the third and final season in 2006. The series was created by David Milch and focused on a growing town in the American West. Nunn wrote the episode "Leviathan Smiles". He has also written for season 5 of Sons of Anarchy.