George Henry Smillie (December 29, 1840 – November 10, 1921)[1][2] was an American painter and etcher.

[4][5] Smillie studied under his father, and under painter James McDougal Hart.

In 1871 Smillie travelled west to make landscape paintings and drawings, particularly of the Rocky Mountains and Yosemite Valley.

[6] In June 1881, he married painter Nellie Sheldon Jacobs (1854–1926), at All Souls' Church in New York City.

[7] He died on November 10, 1921, in his home in Bronxville, in Westchester County, New York.