Oriani is an Italian surname. Notable people with the surname include:
Alfredo Oriani (1852–1909), Italian author Barnaba Oriani, Italian priest and astronomer Carlo Oriani, Italian cyclist Constanza Oriani, Argentine fencer Mario Oriani-Ambrosini, Italian-American lawyer Richard Oriani, American chemist
See also 4540 Oriani, main-belt asteroid Oriani class destroyer, Italian-made ship