Huayan (disambiguation)
Huayan is a school of Chinese Mahayana Buddhism.
Huayan may also refer to:
- Huayan District, in Huarmey, Peru
 - Huayan Railway Station, a Yiwan Railway station in Hubei Province, China
 - Hwaeom, Korean transmission of the Huayan school
 - Kegon, Japanese transmission of the Huayan school