It is a woman's or man's name meaning "hay valley" or also pagan. It is of German origin, commonly used in North America and has as its Haiden variant. A variant of the surname Haydn is estimated. Very common mistake for designating the surname of an Austrian classical musician, whose true and real surname is Haydn (without the e) and whose full name is Franz Joseph Haydn. Name of an American actress whose full name is Hayden Lesley Panettiere . Name of a Canadian actor named Hayden Christensen. Name of another Canadian actor named Hayden Chun Hay Szeto. Name of an American philosopher named Hayden White. Surname of a deceased North American motorcyclist, his full name was Nicholas Patrick Hayden and he was better known as Nicky Hayden.