Lancastrian

Lancastrian may refer to:
 * Avro Lancastrian, an airliner
 * Lancastrian, a native or inhabitant of Lancashire, England
 * Lancastrian, a native or inhabitant of Lancaster, England
 * Lancastrian, a partisan on the side of the House of Lancaster in the Wars of the Roses
 * Lancastrian, a system of education devised by Joseph Lancaster
 * Lancastrian, a person or thing associated with Lancaster University