Charles Stewart (1729 - 1800) was an officer during the American Revolutionary War and a Continental Congressman.

Stewart was born in Gortlea in County Donegal, Ireland in 1729. He later immigrated to the United States in 1750 and pursued a career in agriculture. Stewart was commissioned lieutenant colonel of militia in Hunterdon County, New Jersey in 1771, and commissioned colonel of a battalion of Minutemen on February 15, 1776. After the outbreak of the War, he was appointed commissary general of issues by the Continental Congress on June 18, 1777. Stewart later became a New Jersey delegate to the Continental Congress in 1784 and 1785.

Stewart died in Flemington, New Jersey, on June 24, 1800. He is interred at Old Stone Church, in Hunterdon County, New Jersey.