DeLamater or Delamater may refer to:
Surname Cornelius H. DeLamater (1821–1889), American industrialist John DeLamater (1940–2017), American sociologist and sexologist
Given name Delamater Davis (1886–1966), American politician from Virginia
Locations
Henry Delamater House in the Village of Rhinebeck, New York, part of the historic Beekman Arms & Delamater Inn