Carl Gustav Valdemar Ræder (16 July 1837 – 21 December 1887) was a Danish farmer and writer. He was born in Copenhagen as a son of Colonel (1798–1853). He was a brother of Johan Georg Frederik Ræder and Oscar Alexander Ræder, grandson of Johan Georg Ræder, a nephew of Johan Christopher Ræder, and , a first cousin of Jacques Ræder, Ole Munch Ræder, Nicolai Ditlev Ammon Ræder and Johan Georg Ræder and an uncle of . In May 1866 he married Bertha Othilie Aarestrup.