Category
page 120th-century spies

Robert Baden-Powell, 1st Baron Baden-Powell
lieutenant-general in the British Army, writer, founder and Chief Scout of the Scout Movement (1857-1941)
Aldrich Ames
CIA analyst and Soviet spy (1941–2026)

Oleg Penkovsky
British spy in the USSR (1919–1963)

Sidney Reilly
Russian-born adventurer and secret agent (1873–1925)
Sarah Aaronsohn
Jewish spy working for the British in World War I (1890–1917)
Fehime Sultan
Ottoman princess
Mansfield Smith-Cumming
Chief of the Secret Intelligence Service (1859–1923)
Claude Dansey
British intelligence officer (1876–1947)
Bhagat Ram Talwar
Indian revolutionary

Richard Dearlove
British intelligence chief
Paul Dukes
British spy and writer (1889–1967)
Aleksey Kulak
Soviet spy and diplomat (1922–1984)
Gerhard Conrad
German diplomat
Władysława Kostakówna
Polish spy, Miss Poland (1908–2001)

Liu Liankun
Taiwanese spy
Aliza Magen-Halevi
Israeli intelligence officer (1937–2025)