I don't know, ask me again... I will tell you they are called sombrero! :)
Sombrero ___~___
Mexican Sombrero
Petasus
Coppola...
Toque
Pava.
The name of the hat with a flat top worn at graduation ceremonies is called a mortarboard.
The hat worn by the Queen's Guard is called a bearskin hat. It is made of real bearskin and is part of the ceremonial uniform worn by the guards when on duty at royal palaces.
The hat they wear is called a fedora.
Fadora
Baggy green
the golden cap