Thomas James Creamer (May 26, 1843 – August 4, 1914) was an American lawyer and politician from New York who served two non-consecutive terms in the U.S. House of Representatives from 1873 to 1875, and from 1901 to 1903 Born near Lough Garadice, County Leitrim, Ireland, Creamer immigrated to the United States and took up residence in New York City.

He attended the public schools and became a shipping clerk in a dry-goods house in 1860.

Then he studied law, was admitted to the bar and practiced.

Creamer was a New York City Tax Commissioner for five years, and acted as counsel for State commissions to revise the tax laws.

Creamer resumed practicing law in New York City, and died there August 4, 1914.