Hartono can be a given name, a middle name, or a surname. Notable people with the name include:
Given name
Hartono Rekso Dharsono, Indonesian general
Middle name
Cindana Hartono Kusuma (born 1976), Indonesian badminton player
Surname Arianne Hartono (born 1996), a Dutch tennis player Bambang Dwi Hartono (born 1961), Indonesian politician Dedi Hartono (born 1987), Indonesian footballer Eddy Hartono (born 1964), an Indonesian badminton player Heru Budi Hartono, Indonesian politician Jaya Hartono, Indonesian football coach Michael Bambang Hartono (1939–2026), Indonesian businessman Nathan Hartono (born 1991), a Singaporean singer and actor Robert Budi Hartono (born 1940), an Indonesian businessman Rudy Hartono (born 1949), an Indonesian badminton player Sunaryati Hartono, Indonesian attorney and government official