| Thomas Buck Reed | |
| Jr/Sr: | United States Senator |
| State: | Mississippi |
| Term Start1: | January 28, 1826 |
| Term End1: | March 4, 1827 |
| Predecessor1: | Powhatan Ellis |
| Successor1: | Powhatan Ellis |
| Term Start: | March 4, 1829 |
| Term End: | November 26, 1829 |
| Predecessor: | Thomas H. Williams |
| Successor: | Robert H. Adams |
| Office2: | Attorney General of Mississippi |
| Term Start2: | 1821 |
| Term End2: | 1825 |
| Governor2: | George Poindexter Walter Leake Gerard Brandon |
| Predecessor2: | Edward Turner |
| Successor2: | Richard Stockton |
| Birth Date: | 7 May 1787 |
| Birth Place: | Lexington, Kentucky |
| Death Place: | Lexington, Kentucky, US |
| Party: | Jacksonian |
Thomas Buck Reed (May 7, 1787November 26, 1829) was a United States senator from Mississippi.
Thomas Buck Reed was born on May 7, 1787, near Lexington, Kentucky. He attended the public schools and the College of New Jersey (now Princeton University.) He studied law and was admitted to the bar.
He commenced legal practice in Lexington in 1808. In 1809, he moved to Natchez, Mississippi, and served as a city clerk in 1811. He was an unsuccessful candidate for Delegate to Congress in 1813, and was attorney general of Mississippi from 1821 to 1826. His party affiliation was Jacksonian.
In 1825, he was elected to the Mississippi House of Representatives but declined to take his seat; he was elected to the U.S. Senate to fill the vacancy caused by the resignation of David Holmes and served from January 28, 1826, to March 3, 1827. He was an unsuccessful candidate for reelection in 1827, but was again elected to the Senate in 1828 and served from March 4, 1829.
He married Margaret Allison Ross, the daughter of plantation owner Isaac Ross.[1]
He died on November 26, 1829, in Lexington, Kentucky. He was buried in the Old Baptist Cemetery.