Sununu is a surname. Notable people with the surname include:
Chris Sununu (born 1974), son of John H. Sununu and brother of John E. Sununu, governor of New Hampshire (2017–2025). John E. Sununu (born 1964), son of John H. Sununu and brother of Chris Sununu, U.S. representative (1997–2003) and U.S. senator (2003–2009) John H. Sununu (born 1939), governor of New Hampshire (1983–1989) and White House Chief of Staff for George H. W. Bush (1989–1991) Nancy Sununu (1939–2024), first lady of New Hampshire (1983–1989) and matriarch of the Sununu family Yusuf Sununu (born 1967), Nigerian politician
See also