Alsike is a locality in Knivsta Municipality in Uppsala County in Sweden. In 2010, 2,681 people lived there. Alsike is located circa 50 kilometers north of Stockholm and 25 kilometers away from the Arlanda Airport. Alsike is located on the Ingegerdsleden, which is a historic pilgrimage route between the Uppsala Cathedral and the Stockholm Cathedral. The Alsike Abbey is also located here. Alsike clover gets its common name from the settlement.