Abstract: Boosted output gas burners for gas-fueled outdoor cooking appliances are disclosed. An example gas burner includes a housing and a tube. The housing includes a bottom wall, a front wall, a rear wall, a right sidewall, a left sidewall, and a top wall. The front wall includes an opening. The top wall includes first ports arranged in a first row and second ports arranged in a second row spaced apart from the first row. The tube is located at least partially within the housing. The tube extends through the opening of the front wall. The tube includes an inlet portion, a venturi portion located downstream from the inlet portion, and a mixing portion located downstream from the venturi portion. The inlet portion includes an open front end located externally from the housing. The mixing portion includes an open rear end located within the housing forward of the rear wall.