Jo Nesbø (born 29 March 1960) is a Norwegian writer, musician, and former football player and reporter. He is known as the most successful Norwegian author of all time. By 2021, he had sold over 50 million copies of his novels worldwide, and his works have been translated into more than 50 languages.

Nesbø is primarily famous for his crime novels featuring Inspector Harry Hole. He also serves as the main vocalist and songwriter for the Norwegian rock band Di Derre. In 2007, he released his first children's book, Doktor Proktors Prompepulver (English translation: Doctor Proctor's Fart Powder). The 2011 film Headhunters is based on his novel Hodejegerne (The Headhunters).