This Game of Thrones foto contains
fedora, vilten hoed, homburg, cowboyhoed, trilby, fedora met vilten hoed, stetson, schipper, leghorn, panama, hoed, zeeman, skimmer, strooien hoed, livorno, panama hoed, matroos, stro hoed, snap rand hoed, and module rand hoed.
There might also be
porkpie, porkpie hat, porkpie hoed, bever, castor, vouwstoel, and camp stoel.