Abstract: A button cover, in particular for shirt cuff buttons, comprising a covering member (2) and a fastening support integral to it. The fastening support comprises a circular edge (7) extending from a face of the covering member and having a semiannular projection (8) inwardly extending from said edge. An annular member (3) is axially connected to the edge for sliding in a circumferential direction and has an internal diameter equal to the external diameter of the edge. The annular member is provided with an inwardly extending semiannular projection (10) and blocking elements (8a, 10a) are provided for preventing any rotation of the annular member (3) with respect to the edge (7) when a button has been entered and secured within the edge.