Alessandrina "Sandra" Mondaini was an Italian film actress and television host. She appeared in 30 films between 1953 and 2008.
She married actor Raimondo Vianello in 1962. Together with her husband she hosted numerous variety shows on Italian television including Tante scuse, Di nuovo tante scuse, Attenti a noi due, Sandra e Raimondo Show and Stasera niente di nuovo. Between 1988 and 2007 she had the leading role in the famous Italian sitcom, Casa Vianello. Her last work was the television film Crociera Vianello, a spin-off from Casa Vianello.