Greening is a surname. Notable people with the surname include:
Colin Greening (b. 1986), Canadian ice hockey player
Henry Thomas Greening (1730–1809), gardener to King George II at Windsor
John Greening (b. 1950), former Australian rules footballer
Jonathan Greening (b. 1979), English footballer
Justine Greening (b. 1969), English politician and Member of Parliament
Karen Greening (b. 1962), Canadian rock and jazz singer a.k.a. Lee Aaron
Kevin Greening (1962–2007), British radio presenter
Paul Greening (1928–2008), British courtier
Phil Greening (b. 1975), former English rugby union player
Rhondi Greening, pen name of Rhondi A. Vilott Salsitz, American science fiction and fantasy author
Tim Greening (1968–2007), American newspaper columnist
Thomas Greening (1882–1956), English cricketer