Warder may refer to:
- Prison officer
Places
- Warder, Netherlands, a village in the municipality of Zeevang
- Warder, Germany, a municipality in Schleswig-Holstein
- Warder, Ethiopia, a town in Somali Region of Ethiopia
People
- A. K. Warder (Anthony Kennedy Warder, 1924–2013), scholar of Indology
- Benjamin H. Warder (1824–1894), American manufacturer
- Frederick B. Warder, recipient of two Navy Crosses during world War II
- Frederick L. Warder (1912–1980), New York politician
- George Woodward Warder (1848–1907), American philosopher and writer
- John Aston Warder (1812–1883), physician, forester, and horticulturist
- Laurie Warder (born 1962), former professional tennis player from Australia
- Marie Warder (1927–2014), founder and former President of the Hemochromatosis Society of South Africa
- Walter Warder (1851–1938), American politician and lawyer
As a given name
- Warder Clyde Allee (1885–1955), American ecologist
- Warder Cresson (1798–1860), U.S. Consul to Jerusalem
- William Warder Norton (1891–1945), publisher
Other uses
- Warder (The Wheel of Time), from the novels by Robert Jordan
- Warder Mansion, Washington, D.C.
- Yeomen Warders, ceremonial guardians of the Tower of London
See also
- Ward (disambiguation)
- Werder (disambiguation)
