Roca is a Spanish surname. Notable people with the surname include:
Alain Roca (born 1976), Cuban volleyball player
Blas Roca (1908–1987), Cuban politician
Joan Roca i Caball (1898-1976), Catalan politician
Joan Roca i Fontané (b. 1964), Catalan gourmet chef
Jordi Roca i Fontané (b. 1978), Catalan gourmet chef
Josep Roca i Fontané (b. 1966), Catalan sommelier
Julio Argentino Roca (1843–1914), President of Argentina from 1980 to 1986 and 1898 to 1904
Julio Argentino Pascual Roca (1873–1942), Vice President of Argentina from 1932 to 1938, and son of President Roca
Ulysease Roca (d. 2020), Belizean crime victim
Vladimiro Roca (1942–2023), Cuban dissident