Warrener is a surname. Notable people with the surname include:
Lowrie Warrener (1900–1983), Canadian painter Megan Warrener (born 2003), Canadian ice hockey player Patrice Warrener (active 21st century), French light artist Rhett Warrener (born 1976), Canadian ice hockey player William T. Warrener (1861–1934), English painter
See also 21671 Warrener, a minor planet