Philomène (Phil) Mertens (1928–1989) was a Belgian art historian, an authority on abstract and constructivist art, who became director of the Museum of Modern Art within the Royal Museums of Fine Arts of Belgium.

Publications Le nord au sud, 25 ans d'art en Belgique (1947-1972) (1972) La Jeune peinture belge, 1945-1948 (Brussels, 1975) The Museum of Modern Art, Brussels: Royal Museums of Fine Arts, Belgium (Brussels, 1988)

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