Keith Mason may refer to:
Keith Mason (judge) (born 1947), judge in New South Wales, Australia,
Keith Mason (rugby league) (born 1982), English born professional rugby league footballer,
Keith Mason (scientist) (born 1951), chief executive of the Science and Technology Facilities Council,
Keith Mason (activist), founder of Personhood USA,
Keith Mason (footballer) (born 1958), former professional footballer,
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