Jack Reilly (born 1950) is an American (Los Angeles) artist known for his complex shaped canvas paintings.

Reilly's early abstract paintings reflected various influences of prominent artists of the time including Frank Stella, Ellsworth Kelly, Ronald Davis, Jules Olitski, and Trevor Bell.

In 1979 Reilly's work was exhibited in his first solo show in Los Angeles at the Molly Barnes Gallery.

Artist (1988) by Marva Morrow, American Art Now (1985) by Edward Lucie-Smith, and Introduction to Design (1983) by Robin Landa.

Throughout the years, Reilly has mounted over fifty solo exhibitions and remains an extremely prolific painter.