Sir John Smith
Sir John Smith may refer to:
- John [Smith (High Sheriff of Kent)], English politician
- John Smith (banneret), English Royalist soldier
- Sir John Silvester Smith, 1st Baronet, first of the Smith-Dodsworth baronets
- Any of the first three Smith baronets:
- *Sir John Smith, 1st Baronet
- *Sir John Wyldbore Smith, 2nd Baronet, second Smith-Marriott baronet
- *Sir John James Smith, 3rd Baronet, third Smith-Marriott baronet
- John Smith (British Army officer, born 1754), British general
- Sir John Mark Frederick Smith, British general
- John Cyril Smith, English criminal legal scholar
- John Smith (businessman), British association football executive
- Sir John Lindsay Eric Smith, British banker, Member of Parliament, and founder of The Landmark Trust
- John Smith (police officer), Metropolitan Police Deputy Commissioner