Oakeshott of Seagrove Bay, Matthew Alan, Lord

O'Cathain, Detta, Baroness

O'Loan, Nuala Patricia, Baroness

O'Neill of Bengarve, Onora Sylvia, Baroness

O'Neill of Clackmannan, Martin John, Lord

Onslow, Michael William Copplestone Dillon, Earl of

Oppenheim-Barnes, Sally, Baroness

Ouseley, Herman George, Lord

Owen, David Anthony Llewellyn, Lord

Oxburgh, Ernest Ronald, Lord