A platoon leader was a rank held by a clone trooper within the Grand Army of the Republic during the Clone Wars. This position meant they were in command of a platoon and held the rank of Clone Lieutenant. During the Battle of Umbara, Waxer functioned as the platoon leader for a platoon.
Within Gideon's Imperial remnant, a stormtrooper held the leadership role of a platoon leader for a formation. The Stormtrooper Corps of the First Order had platoon leaders in the command structure of Company 77, made up of stormtroopers. During the Battle of Ansett Island, the company's platoon leaders and squad leaders united, disobeying commands to target unarmed civilians.