Charles Stewart Todd (January 22, 1791 – May 17, 1871) was a United States army officer and government official.
The son of Supreme Court Associate Justice Thomas Todd, he was born near Danville, Kentucky, and graduated from the College of William and Mary in 1809. He was a subaltern and judge-advocate of General James Winchester's division in the War of 1812. In 1813, he was made a captain of infantry, and was an aide to General William Henry Harrison in the Battle of the Thames. In March, 1815, he was made inspector-general, with the rank of colonel.
In 1817, he was the Secretary of State of Kentucky. From 1841 to 1845 he was the United States Ambassador to Russia. He died in Baton Rouge, Louisiana.
This entry incorporates text from the public domain Harper's Encyclopedia of United States History, originally published in 1905.