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