| State1: | Alabama |
| District1: | 5th |
| Term Start1: | March 4, 1879 |
| Term End1: | March 3, 1885 |
| Predecessor1: | Robert F. Ligon |
| Successor1: | Thomas William Sadler |
| Office2: | Member of the Alabama House of Representatives |
| Term2: | 1878 |
| Birth Name: | Thomas Williams |
| Birth Date: | 11 August 1825 |
| Birth Place: | Richmond, Virginia |
| Death Place: | Wetumpka, Alabama |
| Party: | Democratic |
Thomas Williams (August 11, 1825 - April 13, 1903) was a United States Representative from Alabama.
Williams was born near Richmond, Virginia. He graduated from the University of East Tennessee in Knoxville. He was admitted to the Alabama bar in 1852 and began practicing law in Wetumpka, Alabama.
Williams held various minor public offices over the years, such as justice of the peace and register of chancery. In 1872, he was appointed prison inspector. In 1878, he was a member of the Alabama House of Representatives. He was elected to the U.S. House of Representatives and served from March 4, 1879, to March 3, 1885.
After leaving office, Williams returned to Wetumpka and took up farming until his death at age 77 in Alabama .