Santa Bárbara d'Oeste is a city in the State of São Paulo in Brazil
. Located in the northeast region of Campinas, it lies about 138 kilometres (86 mi) northwest of the State capital. It occupies an area of 272.2 square kilometres (105.1 sq mi), of which 43.1 square kilometres (16.6 sq mi) is urban. In 2010, the population was estimated at 180,148 by the Brazilian Institute of Geography and Statistics, making it the 43rd most populous city in São Paulo and the sixth largest in the metropolitan region of Campinas.
Santa Bárbara d'Oeste has an important cultural tradition, ranging from craft and theater, to music and sports. American immigration has brought various influences on both cultural and tourist events and attractions, including the Party of Immigration, and the Fair of Nations. In the midst of the city is a cemetery, best known as the Graveyard of the Americans.