John Leeds Kerr (January 15, 1780 – February 21, 1844) was an American politician.

He studied law, was admitted to the bar in 1801, and commenced practice in Easton, Maryland.

After Congress, he served as presidential elector on the Whig ticket in 1840 Kerr was elected to the United States Senate as a Whig to fill the vacancy caused by the death of John S. Spence and served from January 5, 1841, to March 3, 1843.

In the Senate, Kerr served as chairman of the Committee on Public Buildings (Twenty-seventh Congress), and as a member of the Committee on Patents and the Patent Office (Twenty-seventh Congress).

Kerr died in Easton in 1844, and is interred in the Bozman family cemetery at "Bellville", near Oxford Neck, Maryland.