Pierre Guyotat (born 9 January 1940) is a French writer.
Born in Bourg-Argental, Loire, Guyotat wrote his first novel, Sur un cheval, in 1960. He was called to Algeria in the same year. In 1962 he was found guilty of desertion and publishing forbidden material. After three months in jail he was transferred to a disciplinary centre. Back in Paris, he got involved in journalism, writing first for France Observateur, then for Nouvel Observateur. In 1964, Guyotat published his second novel Ashby.