Cei is a surname, and may refer to:
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Giuseppe Cei (1889–1911), Italian aviation pioneer
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Giuseppe Cei (bishop) (1640–1704), Roman Catholic prelate
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Idilio Cei (1937–1996), Italian football goalkeeper
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Luca Cei (born 1975), Italian racing cyclist
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Pina Cei (1904–2000), Italian stage, film and television actress
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Sir Kay, in Arthurian legend
See also
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Central European Initiative
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CEI (disambiguation)
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Competitive Enterprise Institute
