YKS

YKS may refer to:


 * Yuk Keep Smile (YKS), an Indonesian TV series from 2013 to 2014
 * YKS, IATA code for Yakutsk Airport, Russia
 * YKS, abbreviation for Yokukansan, a traditional Asian herbal medicine
 * YKS, a Chapman code for Yorkshire
 * YKS, the nationwide university entrance exam in Turkey.