To provide a removable sunshade for a hat having simple structure, low production cost, beautiful appearance and improved usability.

The removable sunshade for a hat has an upper supporting plate at a clipping part to detachably clip both sides of a visor, a visor net placed outside of the supporting plate and a supporting skeleton to support the front part of both sides of the visor net. The clipping part has a U-shaped cross-section, a jaw is formed at the inlet part of the clipping part, the upper supporting plate is integrally formed at the clipping part, a hinge pin part is protruded on the upper face of the clipping part, a hinge hole engaging with the hinge pin part is formed at the tip end of the supporting skeletons at both sides, and an engaging means for fixing the supporting skeleton by a click mechanism with varied angle is formed at the part to be bonded by hinge. A socket part is formed at the lower end of the supporting skeleton at one side and an insertion part is formed at the lower end of the supporting skeleton at the other side. The insertion part has a protrusion and a recess.