Adlai Stevenson may refer to:

• Adlai Stevenson I (1835–1914), U.S. Vice President (1893–1897) and Congressman (1879–1881)
• Adlai Stevenson II (1900–1965), Governor of Illinois (1949–1953), U.S. presidential candidate (1952, 1956, 1960), U.N. Ambassador (1961–1965), grandson of Adlai Stevenson
• Adlai Stevenson III (1930–2021) U.S. Senator (1970–1981), candidate for Illinois governor (1982, 1986), son of Adlai Stevenson II