Thomas Hicks (October 18, 1823 – October 8, 1890) was an American painter.
Hicks was born in Newtown, Bucks County, Pennsylvania and became a portrait painter, but is also known for genre works. He is known for his portrait of Abraham Lincoln that was engraved by Leopold Grozelier. He taught George Bernard Butler and Charles Henry Yewell.
He died on October 8, 1890.