Sayylyk () is the name of several rural localities in the Sakha Republic, Russia: Sayylyk, Kobyaysky District, Sakha Republic, a selo in Mukuchunsky Rural Okrug of Kobyaysky District Sayylyk, Nyurbinsky District, Sakha Republic, a selo in Khorulinsky Rural Okrug of Nyurbinsky District Sayylyk, Ust-Yansky District, Sakha Republic, a selo in Silyannyakhsky Rural Okrug of Ust-Yansky District Sayylyk, Verkhnevilyuysky District, Sakha Republic, a selo in Meyiksky Rural Okrug of Verkhnevilyuysky District