Dorph is a surname. Notable people with the surname include:
Anton Dorph (1831–1914), Danish painter Bertha Dorph (1875–1960), Danish painter Birgitta Karlström Dorph (born 1939), Swedish diplomat Christian Dorph (born 1966), Danish author Niels Dorph (1681–1758), Danish/Norwegian clergyman Viggo Dorph-Petersen (1851–1937), Danish architect