NYF (disambiguation)

NYF may refer to:
 * Nepal Youth Foundation, a U.S.-based 501(c)(3) non-profit organization
 * National Youth Festival (India), an annual gathering of youth with various activities
 * nyf, the ISO 639-3 code for Giryama, a variant of Mijikenda language
 * New York Festivals, a collection of related annual arts and media awards
 * New York State Fair station, the Amtrak station code NYF
 * Nanyangzhai railway station, the telegraph code NYF