The invention relates to a key ring comprising a clip (1) made of a support piece (10) and a front piece (20) which are connected in an articulated manner by a spring pivot (30). The support piece (10) is an inverted V shape with one small limb (13), one supporting limb (11), and one loop (12) for placing over the edge of a pocket. One end of the small limb (13) is connected to the pivot (30) and the supporting limb (11) is extended to receive the spring hook (2) to which the key is attached. The front piece (20) is bent into a U shape, with a front limb (21), a supporting limb (24) and a loop (12). The front limb (21) carries the pivot (30) and is extended by a supporting pin (22) for opening the clip. The face of the front limb (21) comprises a medallion (25) with an interchangeable facing.