| Thomas M. Allen | |
| Birth Date: | 21 October 1797 |
| Birth Place: | Warren County, Virginia, United States |
| Occupation: | Clergyman |
| Known For: | Establishing the Christian Church (Disciples of Christ) in Missouri, President of the board of curators of the University of Missouri |
| Spouse: | Rebecca Russell |
Thomas M. Allen (October 21, 1797 – October 10, 1871) was a clergyman who played a prominent role in establishing the Christian Church (Disciples of Christ) in Missouri.
He was born in Warren County, Virginia (then part of Shenandoah County) in 1797. He studied law at Transylvania University, and married Rebecca Russell in 1819. He was subsequently ordained to the ministry in Fayette County, Kentucky, later moving to Boone County, Missouri, in 1836. He achieved recognition outside of the church as well, serving as the president of the board of curators of the University of Missouri in 1839, 1841, and 1864. Also instrumental in the founding of Columbia College (Columbia, Missouri) in 1851 as Christian Women's College. It was renamed in 1970 when the college became co-educational.
He died in 1871.