Peregrine Cust
Peregrine Cust may refer to:
- Peregrine Cust (1723–1785), Member of Parliament for Bishop's Castle, New Shoreham, Ilchester and, and Grantham
- Peregrine Cust (1791–1873), Member of Parliament for Honiton and Clitheroe
- Peregrine Cust, 6th Baron Brownlow, soldier and politician