Thomas Beale Dorsey (October 17, 1780 – December 26, 1855) was an American farmer, lawyer, politician and judge in Anne Arundel County and Maryland.

He attained the position of Attorney General of Maryland in 1822, a post he held until 1824.

His son, John Thomas Beale, maintained a Howard County Farm, but served for the southern confederacy.

Dorsey operated a farm at the location with 49 slaves listed in the 1840 census.

[citation needed] As a tobacco farmer, his products were the highest quality of the time fetching a record 319 pounds Sterling at Elkridge Landing for a 707lb hogshead in 1824.