Thomas P. Keane (March 18, 1878 – July 13, 1945) was an American politician, Keane was born in Chicago, Illinois.

Keane served the Illinois House of Representatives from 1919 to 1923 and from 1929 to 1931.

He served on the Chicago City Council from 1931 until his death in 1945.

He died from injuries suffered as a result of a fall at his summer home in Twin Lakes, Wisconsin.

His son was Thomas E. Keane who also served in the Illinois General Assembly and the Chicago City Council.