YCK may refer to:
Colville Lake Airport, IATA code Yio Chu Kang, a subzone of Ang Mo Kio Planning Area in Singapore Yio Chu Kang MRT station (MRT station abbreviation), a mass rapid transit station in Ang Mo Kio, Singapore York City Knights, an English professional rugby league club A US Navy hull classification symbol: Open barge, wooden (YCK)