There is a wide selection of BBQ wood chips available to add smoky flavor to grilled meats. When considering what wood to use for BBQ pork ribs, you'll need to first decide if you're looking for a bold taste or a more subtle one. The marinade, sauce, or rub you're using for the ribs will also help you to decide what type of wood you want to use to enhance the flavor.
Remember to soak your wood chips for an hour or more before using them. Shake off excess water before using. There's no hard and fast rule for what type of wood to use for BBQ pork ribs... let yourself be guided by your taste buds!