De Kergommeaux has had more than 50 solo exhibitions and over 100 group exhibitions since 1953. Among his early solo shows were:
Art Gallery of Greater Victoria (1965); The
Isaacs Gallery, Toronto (1965); Mcintosh Memorial Art Gallery,
University of Western Ontario (1966);
Confederation Centre Art Gallery, Charlottetown (1966); and the Gallery Denise Delrue, Montreal (1969). He also exhibited at various Biennials of Canadian Art and at a show in the
National Gallery of Canada (1967–1968) in a two-person touring exhibit. De Kergommeaux had a solo exhibition of cow paintings at the Embassy Cultural House in 1983. Other survey exhibitions include:
Duncan de Kergommeaux: An Art of Ordered Sensations curated by
Matthew Teitelbaum in 1986 and
Process Structure Meaning curated by José L. Bario-Garay in 1995 (both for
Museum London);
Gridlocked curated by Katie Cholette in 1999,
Grid Paintings curated by Robert McKaskell in 2000 and
These Are the Marks I Make: Duncan de Kergommeaux at the
Ottawa Art Gallery and Museum London in 2010/11. His estate is represented by Michael Gibson Gallery in London, Ontario. ==Selected public collections==