Anita Thallaug (born 14 February 1938 in Bærum) is a Norwegian actress and singer.
She has featured in musicals, cinema and TV programs. Under the name Vesla Rolfsen, at the age of seven, she was performing at the Spider theatre in Oslo.
She featured frequently in NRK children's programs of the 1950s.
Thallaug was the Norwegian contestant in the Eurovision Song Contest 1963, where she finished 13th (last). She was the first of four Norwegian entrants to score no points in the competition.
Anita Thallaug is the younger sister of opera singer Edith Thallaug.