Hariharan (born 3 April, 1955 in Puthan Theruvu (Thiruvananthapuram), Kerala) is an Indian playback singer in Hindi, Telugu, & Tamil movies, an established ghazal singer, and one of the pioneers of Indian fusion music.

Hariharan is a famous film director in Malayalam cinema, who directed award winning films like Oru vadakkan veera gatha and Naghakshathangal. The immense talent is shown futher in movies like Sargam & Panchagni. Hariharan's movies always present rich songs to audience.