Aaron Clark (1787–1861) was an American politician born in Worthington, Massachusetts, and raised in Pawlet, Vermont. He attended Union College in Schenectady, New York, and participated in the War of 1812.
Following his military service, Clark moved to Albany, New York, where he served as Clerk of the New York State Assembly from 1814 to 1820. He later relocated to New York City, engaging in banking and operating a lottery before becoming involved in local politics as an alderman.