Llop is a surname literally meaning "wolf" in Catalan; it was originally a given name in Catalonia. Notable people with the surname include:

Francisco Masip Llop (1926–2015), Spanish cyclist José Carlos Llop (born 1956), Spanish writer Juan Manuel Llop (born 1963), Argentine football manager Pilar Llop (born 1973), Spanish judge and politician Ramón Rufat Llop (1916–1993), Spanish anarcho-syndicalist Roc Llop i Convalia (1908–1997), Catalan anarchist, teacher, and poet Roser Bru Llop (1923–2021), Spanish-born Chilean painter and engraver

See also