Thomas Albert Jennings (January 8, 1865 – March 16, 1917) was an American banker, businessman, and politician.

He served as Speaker of the Florida House of Representatives.

He ran the Jennings Naval Stores Company.

Jennings was a delegate to the Democratic National Convention in 1888, 1892, 1908 and 1912 and an elector in 1904.

He opened the Globe Naval Stores Company in 1913 and was a director of the Gulf, Florida, and Alabama Railway.