Delmer may refer to:
People Célestin Delmer (1907–1996), French footballer Deborah Delmer, American plant pathologist Isabel Nicholas (1912–1992), also known as Isabel Delmer, British painter, scenery designer and occasional model Sefton Delmer (1904–1979), British journalist and Second World War propagandist Delmer Berg (1915–2016), last surviving American veteran of the Abraham Lincoln Brigade, which fought in the Spanish Civil War Delmer Brown (1909–2011), American academic, historian, author, translator and Japanologist Delmer Daves (1904–1977), American screenwriter, film director and film producer Del Ennis (1925–1996), American Major League Baseball player Del Harris (born 1937), American basketball coach Delmer J. Yoakum (1915–1996), American painter and designer Delmer Ferreira Jaines (born 1974), Brazilian footballer
Places Delmer, Kentucky, United States, an unincorporated community Delmer, Texas, United States, an unincorporated community Delmer, a community within the township of South-West Oxford, Ontario, Canada