Wilhelm, Prince and Landgrave of Hesse-Philippsthal-Barchfeld (; born 14 August 1933) is the Landgrave "(His Highness)" and current head of one of the two remaining branches of the House of Hesse. He was born in Herleshausen, Hesse-Nassau, Germany. His father was Prince Wilhelm of Hesse-Philippsthal-Barchfeld.