The surname Heiden has a number of different spellings including Haydn, Heide, Heid, Heidling, Heideling, Heidt, Heyde.
The toponym exists as Heiden in a number of places in Germany and Switzerland.
[1][2] As a nickname, it comes from the Middle High German heiden meaning "Heathen".
[3] As an Ashkenazi Jewish name it may be a shortened form of placenames with the compound Heide, such as Heidenberg.
[2] As a Dutch name it is a shortened version of the surname Vanderheyden.