Algernon Percy

• Algernon Percy, 10th Earl of Northumberland, English military leader
• Algernon Percy, 1st Earl of Beverley, peer known as Lord Algernon Percy from 1766–86
• Hon. Algernon Percy (diplomat), son of 1st Earl of Beverley, Minister to the Swiss Cantons
• Algernon Percy, 4th Duke of Northumberland, British aristocrat and Conservative politician
• Algernon Percy, 6th Duke of Northumberland, British Conservative politician
• Lord Algernon Percy, British Conservative Party politician and career soldier