Tristão de Bragança Cunha (1891 – 1958), alternatively spelled as Tristao de Braganza Cunha, popularly known as T B Cunha, was a prominent Indian nationalist and anti-colonial activist from Goa (then part of Portuguese India). He is popularly known as the "Father of Goan nationalism", and was the organiser of the first movement to end Portuguese rule in Goa.