Frederick Calvert may refer to:

• Frederick Calvert, 6th Baron Baltimore (1731–1771), English nobleman
• Frederick Crace Calvert (1819–1873), English chemist
• Frederick Calvert (MP) (1806–1891), Member of Parliament for Aylesbury, 1850–1851
• Frederick Calvert (footballer), football player
• Frederick Baltimore Calvert (1793–1877), English actor and lecturer on elocution

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