The Royal Netherlands Yacht Club (Koninklijke Nederlandsche Zeil- en Roeivereeniging in the Dutch language) is a Dutch yacht club and rowing club based in Muiden. It has two marinas: in Muiden and in Enkhuizen. The organisation was founded in 1847 and is the oldest – remaining – water sports club in the Netherlands. The KNZ&RV was one of the clubs that were founding the Royal Netherlands Watersport Association (1890) and the Royal Dutch Rowing Federation (1917).