Abstract: The present invention relates to a gas burner. The gas burner is also called a gas range, a gas grill, or the like and used to cook food indoors or outdoors. To this end, a supply part and an extension part are configured to be foldable through a body hinge part such that the supply part, the extension part, and a cooking part may be folded into one piece, and support parts are also configured to be folded through hinges (pivots) such that the support parts may be adjacent to the supply part. The gas burner including the supply part and the cooking part further includes the extension part having a length, the other end of the supply part is connected to one end of the extension part by means of the bendable body hinge part, and the cooking part is configured at the other end of the extension part.