Aylette Hartswell Buckner (July 21, 1806 – July 3, 1869) was a United States Representative from Kentucky and the son of Richard Aylett Buckner who was also a Representative from Kentucky. He was born in Greensburg, Kentucky. He attended the New Athens Seminary, studied law, and was admitted to the bar and commenced practice in Greensburg, Kentucky.
Buckner was a member of the Kentucky House of Representatives in 1842 and 1843. He was elected as a Whig to the Thirtieth Congress (March 4, 1847 – March 3, 1849) but was an unsuccessful candidate in 1848 for reelection to the Thirty-first Congress. After Congress, he moved to St. Louis, Missouri and continued the practice of his profession. Later, he returned to Lexington, Kentucky in 1864, where he died in 1869. He was buried at Lexington Cemetery.