Visby County (Swedish: Visby län) is a county in Sweden, which consists of the island of Gotland and surrounding small islands in the Baltic Sea. It has an area of 3184 sq km and a population of 57,203 residents. Visby is the capital of Visby County, and also a popular holiday resort for travellers. Visby County is a constituency in the elections to the house of commoners.
Governor of Visby County is Cecilia Schelin Seidegård.