William Knollys

• William Knollys, 1st Earl of Banbury, English nobleman
• William Knollys (Oxfordshire [MP, died 1664)], MP for Oxfordshire, 1663–1664
• William Knollys (Banbury MP), MP for Banbury, 1733–40, who claimed the courtesy title of Viscount Wallingford
• Sir William Knollys (British Army officer), British general and courtier