K47 may refer to: K-47 (Kansas highway) , a Flower-class corvette of the Royal Navy , a Veer-class corvette of the Indian Navy Keystone K-47 Pathfinder, an American airliner Junkers K 47, a Swedish fighter aircraft Potassium-47, an isotope of potassium Shiranuka Station, in Hokkaido, Japan Veni Sancte Spiritus (Mozart), by Wolfgang Amadeus Mozart