Peter Gray may refer to:
- Peter Gray (historian) (born 1965), professor of modern Irish history at Queen's University Belfast
- Peter Gray (chemist) (1926–2012), professor of physical chemistry at the University of Leeds
- Peter Gray (judge), Federal Court of Australia judge
- Peter Gray (military historian), military historian at Birmingham University
- Peter Gray (psychologist), American psychologist and author of the introductory psychology textbook, Psychology
- "Peter Gray" (song), American ballad
- Peter Gray (writer) (1807–1887), Scottish writer
- Peter S. Gray (born 1957), Olympic equestrian for Bermuda and Canada
- Peter W. Gray (1819–1874), American lawyer, judge, and legislator from Texas
- Pete Gray (1915–2002), one-armed Major League baseball player
- Pete Gray (activist) (1980–2011), Australian environmental and anti-war activist
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Famous quotes containing the words peter and/or gray:
“A government which robs Peter to pay Paul can always depend on the support of Paul.”
—George Bernard Shaw (18561950)
“Mans feeble race what ills await!
Labour, and Penury, the racks of Pain,
Disease, and Sorrows weeping train,
And Death, sad refuge from the storms of Fate!”
—Thomas Gray (17161771)