Mark Sealy is a British curator and cultural historian with a special interest in the relationship of photography to social change, identity politics and human rights. In 1991 he became the director of Autograph ABP, the Association of Black Photographers, based since 2007 at Rivington Place, a purpose-built international visual arts centre in Shoreditch, London. He has curated several major international exhibitions and is also a lecturer.

Autograph ABP, previously known as the Association of Black Photographers, is a British-based international, non-profit-making, photographic arts agency.