Minnelli (also spelled Minelli) is an Italian surname. Notable people with the surname include:

• Minelli (born Luisa Ionela Luca, 1988), Romanian singer, songwriter and lyricist.

• Alessandro Minelli, multiple people

• Liza Minnelli (born 1946), American actress, dancer, and singer

• Ludwig Minelli (1932–2025), Swiss lawyer and euthanasia activist

• Pablo Minelli (born 1969), Argentine swimmer

• Rubens Minelli (1928–2023), Brazilian former football player and manager

• Simone Minelli (born 1997), Italian football forward

• Stefano Minelli (born 1994), Italian football goalkeeper

• Vincente Minnelli (1903–1986), American film director