Wivina Demeester-De Meyer (born 13 December 1943) is a Belgian politician who served as a Member of the Flemish Parliament and its predecessor bodies between 1974 and 1995 and 1999 and 2004; she also held various ministerial posts in the national (i.e., Belgian) and Flemish governments.

Throughout her political career, she has been a member of the Flemish successor to the Christian Social Party (CVP) and, after 2001, its successor, the Christen-Democratisch en Vlaams (CD&V) party.

[1] She also served on Zoersel City Council for eighteen years before her retirement in 2006.

Her first appointment, lasting from November 1985 to May 1988, was as State Secretary for Health and Disability Policy.

Briefly in January 1992, she was appointed Minister of Finance and Budget, Internal Affairs, Welfare and Family, but from February until October of that year, she was Community Minister for Finance and Budget, Health Institutions, Welfare and Family.