John O'Keeffe sometimes O'Keefe (c. 1797 – April 1838) was an Irish portrait and figure painter.
Born in Fermoy, County Cork of humble parentage, O'Keeffe began painting at an early age and was apprenticed to a coach painter.
[1] He left Cork in 1834 for Dublin and continued to exhibit portrait and subject paintings.
[1] He exhibited a painting of the British army Field Marshal Edward Blakeney at the RHA in 1837.
[1] The Crawford Gallery holds a portrait of Nano Nagle attributed to O'Keeffe.