Christiana may refer to:

Geography United States Christiana, Dane County, Wisconsin, town, US Christiana, Delaware, US Christiana Hundred, an unincorporated subdivision of New Castle County, Delaware, US Christiana, Pennsylvania, US Christiana, Tennessee, US Christiana, Vernon County, Wisconsin, town, US

Elsewhere Christiana Island, Cyclades, Greece Christiana, Jamaica Christiana, Norway, a misspelling of Christiania, Norway a former name (1624–1924) for the present-day Norwegian capital of Oslo Christiana, South Africa, a town in the North West Province of South Africa

Other Christiana (given name) Christiana (plant), a genus of plants in the family Malvaceae Christiana Riot, an armed intervention by citizens in Lancaster County, Pennsylvania, to save four fugitive slaves

See also Christiania (disambiguation) Cristiana, given name (including a list of people with the name)