Leonard Green may refer to:

• Leonard Green (cricketer) (1890–1963), English cricketer
• Leonard I. Green (1934–2002), founding partner of leveraged buyout firm Leonard Green & Partners
• Leonard Green & Partners, a private equity firm based in Los Angeles
• Lenny Green (1933–2019), baseball player
• Len Green (born 1936), English footballer
• Leonard Green (Friends), a fictional character on the television series Friends