Smithtown may refer to:
Smithtown, New York, a town in Suffolk County Smithtown (CDP), New York, a hamlet and census-designated place (CDP) within the above town Smithtown (LIRR station), a railroad station in the above town Smithtown Christian School, a private school in the above town Smithtown, North Carolina, an unincorporated community in northern Yadkin County Smithtown, West Virginia, an unincorporated community in Monongalia County Smithtown, New South Wales, a town in Australia