The following is a chronological list of people who have served as chief executive officer of IBM, an American multinational technology and consulting corporation headquartered in Armonk, New York.

• Thomas J. Watson (1914–1956)^[1]
• Thomas J. Watson, Jr. (1956–1971)^[1]
• T. Vincent Learson (1971–1973)^[1]
• Frank T. Cary (1973–1981)^[1]
• John R. Opel (1981–1985)^[1]
• John Fellows Akers (1985–1993)^[1]
• Louis V. Gerstner, Jr. (1993–2002)^[1]
• Samuel J. Palmisano (2002–2012)^[1][2]
• Virginia Marie Rometty (2012–2020)^[2]
• Arvind Krishna (2020–)^[3]