Hariharan
Hariharan may refer to:

 Hariharan (singer) (born 1955), Indian ghazal and playback singer from Mumbai
 Hariharan (director), Indian film director in Malayalam cinema
 Githa Hariharan (born 1954), Indian author and editor
 Hariharan Srinivasan (1929–2015), Indian orthopedic surgeon
 K. Hariharan (disambiguation), several people
 Krishna Hariharan (born 1955), Indian Test cricket umpire
 Hariharan Krishna (born 1998), Singaporean Indian athlete
 Sruthi Hariharan (born 1989), Indian actress and model