Carl Frode Tiller (born 4 January 1970 in Namsos) is a Norwegian author, historian and musician. His works are in Nynorsk (lit. "New Norwegian"), one of the two official Norwegian standard languages.

Tiller made his literary debut in 2001 with the novel Skråninga (The Slope), which was recognized as the best Norwegian literary debut of the year with the Tarjei Vesaas' debutantpris and nominated for the Brage Prize. In November 2007 Tiller was awarded the Brage Prize for his novel no:Innsirkling (Encirclement). In the fall of 2007 no:Innsirkling received the Norwegian Critics Prize for Literature and was nominated for the premiere Scandinavian literature prize, the Nordic Council's Literature Prize. It also won him the European Union Literary Award in 2009.

Tiller is also a musician in the band Kong Ler.

His daughter is a member of UHSN. Her name is oline