Dr G Gnanasambandam (Gurunathan Gnanasambandham; born 19 October 1955) also known as G Gnanasambandam, is an Indian professor, Tamil scholar, orator and an actor who appears in Tamil films. He frequently chairs Tamil debate shows (Pattimandrams). Dr G Gnanasambandam is originally from Sholavandan of Madurai district. He was a Professor of Tamil-language at Thiagarajar College, Madurai. He is known for his association with actor Kamal Haasan.