Gerrit Jan Michaëlis (1775 in Amsterdam – 1857 in Haarlem), was a painter from the Netherlands.
He was the son of the sculptor H.C. Michaëlis who studied at the Koninklijke Academie voor Beeldende Kunsten (Amsterdam Royal Academy of Art) and became a member of the Amsterdam drawing society called "Tekengenootschap Zonder Wet of Spreuk".
[1] He was the pupil of George Nikolaus Ritter and Jurriaan Andriessen, and won a prize at the Amsterdam drawing academy Felix Meritis in 1805.
[1][2] He continued to send in examples of his art which met with success in Amsterdam competitions in the years 1808, 1810, 1813, 1814, 1816, and 1818.
[2] He moved to Haarlem to succeed Wybrand Hendriks as the curator and live-in kastelein of the art collection at the Teylers Museum during the years 1819-1854.