Arranz is a surname. Notable people with the surname include:
Asier Arranz (born 1987), Spanish footballer Dolores Herrera Arranz (born 1935), Spanish actress Eduardo Arranz-Bravo (born 1941), Spanish painter José Arranz (1930–2018), Spanish priest Mario Arranz (born 1978), Spanish rower Melecio Arranz (1888–1966), Filipino politician Paloma Arranz (born 1969), Spanish handball player
See also Arranz-Bravo Foundation, Art museum and gallery in L’Hospitalet de Llobregat, Catalonia