Captain Lazarus Stewart (July 4, 1734 – July 3, 1778) was an 18th-century Pennsylvanian frontiersman and member of the . He is suspected of being a member of the "Paxton Boys" – a group of Scots-Irish militants who massacred the in 1763 – and was a prominent commander on the Yankee (i.e. Connecticut) side in the Pennamite Wars. He met his death in battle with the Loyalists and Iroquois at the Wyoming Massacre.