Lydian may refer to:
* Lydians, an ancient people of Anatolia
* Lydian language, an ancient Anatolian language
* Lydian alphabet
** Lydian (Unicode block)
* Lydian (typeface), a decorative typeface
* Lydian dominant scale or acoustic scale, a musical scale
** Lydian mode, a mode derived from ancient Greek music
See also
* Ludian (disambiguation)
* Lydia (disambiguation)
{{disambiguation
Language and nationality disambiguation pages
