Matthew White Ridley, 2nd Viscount Ridley, was a British peer and Conservative politician. His political career was most noted for his support of Tariff Reform.

Matthew White Ridley, 1st Viscount Ridley,, known as Sir Matthew White Ridley, 5th Baronet, from 1877 to 1900, was a British Conservative statesman. He notably served as Home Secretary from 1895 to 1900.