Samuel McClellan (January 4, 1730 – October 17, 1807) was an American brigadier general in the American Revolutionary War. He was born in Worcester, Massachusetts. Samuel McClellan served as Ensign and Lieutenant in the French and Indian War, and was wounded in battle. Upon his return from the provincial campaign, he purchased a farm in Woodstock and settled there. He later engaged in mercantile business and established an extensive trade, importing goods and supplying neighboring merchants.