Thomas Merritt may refer to:
Thomas Merritt (composer) (1863–1908), organist and composer of Christmas carols Thomas Rodman Merritt (1824–1906), businessman and political figure in Upper Canada, later Ontario Tom Merritt (born 1970), technology journalist, writer, and broadcaster Tom Merritt (politician) (1911–1991), member of the Illinois Senate Tommy Merritt (born 1948), member of the Texas House of Representatives