Machias

Machias may refer to:

Places

 * Machias, Maine, a New England town
 * Machias (CDP), Maine, the main village within the town
 * Machias Bay, in Washington County, Maine
 * Machias River (Aroostook River tributary) in northern Maine
 * Machias River in eastern Maine
 * Machias Seal Island, an island in the Gulf of Maine
 * Machias, New York, a town
 * Machias (CDP), New York, the main hamlet within the town
 * Machias, Washington, a census-designated place

Ships

 * USS Machias, the name of more than one United States Navy ship