A photographing optical lens assembly includes seven lens elements, the seven lens elements being, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, a sixth lens element and a seventh lens element. Each of the seven lens elements includes an object-side surface facing towards the object side and an image-side surface facing towards the image side. The image-side surface of the seventh lens element is concave in a paraxial region thereof and includes at least one inflection point in an off-axis region thereof.