Peregrine Cust may refer to:
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Peregrine Cust (1723–1785), Member of Parliament for Bishop's Castle (1761–1768), New Shoreham (1768–1774), Ilchester (1774–1775) and (1780–1785), and Grantham (1776–1780)
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Peregrine Cust (1791–1873), Member of Parliament for Honiton (1818–1826) and Clitheroe (1826–1832)
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Peregrine Cust, 6th Baron Brownlow
Peregrine Francis Adelbert Cust, 6th Baron Brownlow (27 April 1899 – 28 July 1978), often known as Perry Brownlow, was a British peer and courtier. He was the son of Adelbert Salusbury Cockayne Cust, 5th Baron Brownlow, and his wife Maud B ...
(1899–1978), soldier and politician
{{hndis, name=Cust, Peregrine