Deering may refer to:

• Deering, Alaska, a city
• Deering, Maine, a former town annexed to Portland in 1898
• Deering, Missouri, an unincorporated community
• Deering, New Hampshire, a town
  • Deering Reservoir
• Deering, North Dakota, a city

• Adolph A. Deering, American politician
• Charles Deering (1852–1927), American business man and philanthropist
• Fred Deering (1923-2010), American politician
• James Deering (1859–1925), American industrialist, developer of Miami, Florida
• John Deering (baseball) (1879–1943), Major League Baseball pitcher
• John Deering (murderer) (1898–1938), American murderer executed by firing squad in Utah
• John Deering (politician) (1833-1904), American politician and mayor of Portland, Maine
• Myles Deering (born 1953), Army National Guard major general
• Pat Deering (born 1967), Irish politician
• Richard Dering (c. 1580–1630), also spelled Deering, English Renaissance and Baroque composer
• Rupert Deering, commandant of the penal settlement at Norfolk Island
• Steve Deering, Canadian computer scientist
• Terry Deering, American politician
• William Deering (1826–1913), American business man and philanthropist

• Deering Harvester Company, founded in 1894 by William Deering
• Deering Banjo Company, founded in 1975 by Greg and Janet Deering

• Deering Library, Northwestern University, Evanston, Illinois, United States
• Deering High School, Portland, Maine, United States
• Deering Bridge, near Sutton, Nebraska, United States, on the National Register of Historic Places
• Carroll A. Deering, a sailing vessel found run aground in 1921
• Wilma Deering, a major fictional character associated with Buck Rogers