沃卢西亚县（Volusia County, Florida）是美国佛罗里达州东北部的一个县，东临大西洋。面积3,710平方公里。根据美国2000年人口普查，共有人口443,343人。县治迪兰（DeLand）。

成立于1854年12月29日。县名来源不详。

Volusia County (/vəˈluːʃə/, və-LOOSH-ə) is located in the east-central part of the U.S. state of Florida, stretching between the St. Johns River and the Atlantic Ocean. As of the 2010 census, the county was home to 494,593 people, an increase of 11.6% from 2000. Its county seat is DeLand. It was founded on December 29, 1854, and was named for the community of Volusia, located in northwestern Volusia County.