Gerardina Maria Paulina "Dien" Cornelissen (8 May 1924 – 25 May 2015) was a Dutch politician and social worker. She started her political career in the municipal council of Boxmeer for the Catholic People's Party in 1958, where she would continue until 1972. Between 1962 and 1978 she was member of the States of North Brabant. Between 1969 and 1971 she served a two-year stint in the Dutch Senate. She was member of the House of Representatives from 1971 for fifteen years, with a half year hiatus.