Thomas C. Power (1839 - 1923) was a Republican senator from Montana and businessman. He was born near Dubuque, Iowa on May 22, 1839.
Power started T. C. Power and Bro which was a prominent mercantile company through the northwestern United States and western Canada. He served in the United States Senate from January 2, 1890 to March 3, 1895 as one of the first two senators from Montana.
He died on February 16, 1923 and was interred in Resurrection Cemetery.
The town of Power, Montana is named after him.