Hariharan may refer to:Hariharan (singer), Indian ghazal and playback singer from Thiruvananthapuram Hariharan (director), Indian film director in Malayalam cinema Githa Hariharan, Indian author and editor Hariharan Srinivasan (1929–2015), Indian orthopedic surgeon K. Hariharan (disambiguation), several people Krishna Hariharan, Indian Test cricket umpire Hariharan Krishna, Singaporean Indian athlete Sruthi Hariharan, Indian actress and model