Fernan or Fernán is both a given name and a surname. Notable people with the name include:
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Fernán Blázquez de Cáceres (fl. 14th-century), Spanish nobleman
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Fernán Caballero (1796–1877), Spanish novelist
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Fernando Fernán Gómez (1921–2007), Spanish actor
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Fernán González of Castile (died 970), Castilian nobleman
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Fernán Gutiérrez de Castro (1180–1233), Spanish nobleman
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Fernán Mirás (born 1969), Argentine actor
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Fernán Pérez de Guzmán (1376–1458), Spanish historian
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Fernán Pérez de Oliva (1492–1533), Spanish writer
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Fernán Silva Valdés (1887–1975), Uruguayan writer
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Juan Bello Fernán (born 1965), Spanish writer
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Marcelo Fernan (1926–1999), Filipino lawyer and judge
{{given name, type=both