Wejherowo (Kashubian: Wejrowò; formerly German: Neustadt in Westpreußen) is a city in Gdańsk Pomerania, northern Poland, with 48,735 inhabitants (2021). It has been the capital of Wejherowo County in Pomeranian Voivodeship since 1999; previously, it was a city in Gdańsk Voivodeship (1975–1998).