Gilmer (surname)
Gilmer is a surname. Notable people with the surname include:
- Alexander Gilmer (1829–1906), sawmill owner
 - Dixie Gilmer (1901–1954), U.S. Representative from Oklahoma
 - Elizabeth Gilmer (1880–1960), New Zealand social worker, educationist and horticulturist
 - Elizabeth Meriwether Gilmer (1861–1951), American columnist better known as Dorothy Dix
 - Dr. George Gilmer, Sr. (1700–1757), mayor of Williamsburg, Virginia
 - George Rockingham Gilmer (1790–1859), American politician
 - Harry Gilmer (1926–2016), College Football Hall of Fame member and National Football League player
 - Jeremy Francis Gilmer (1818–1883), American soldier, Chief Engineer of the Confederate States Army during the American Civil War
 - John Adams Gilmer (1805–1868), American politician and brother of Jeremy Gilmer
 - Thomas Walker Gilmer (1802–1844), American statesman
 - William Gilmer (1863–1955), American Naval officer and Governor of Guam