Thomas Bibb (May 8, 1783 – September 20, 1839) was the second governor of the US state of Alabama and served from 1820 to 1821. He was the president of the Alabama Senate when his brother, Governor William Wyatt Bibb, died in office on July 10, 1820, as a result of a fall from a horse. By his senatorial office and under the state constitution, Thomas Bibb took over as governor for the remainder of his brother's term. He did not seek election as governor but later served in the Alabama House of Representatives.
He was born in Amelia County, Virginia, in 1783. He grew up in Georgia before he moved to what later became Alabama. He was married to Parmelia Thompson from 1809 to his death on September 20, 1839.
