Marc-Olivier Wahler (born 1964, in Neuchâtel, Switzerland) is a Swiss curator and contemporary art critic and art historian. He is the director of the MAH Musée d’art et d’histoire in Geneva. He is the former director of the Eli and Edythe Broad Art Museum at Michigan State University in East Lansing, Michigan, the former director of Palais de Tokyo, Paris, the former director of the Swiss Institute, New York, and the co-founding director of the Centre d’art Neuchâtel, Switzerland. He is also the former artistic advisor of , Amsterdam, the former artistic advisor for CI Contemporary Istanbul, the founding editor of Palais/ magazine], the founding director of the Chalet Society and PAL (Paris Art Lab), Paris; and founding director of Transformer Sculpture Park, Melides, Portugal.