'''Greeff''' is a surname. Notable people with the surname include:
*Arno Greeff (born 1995), South African actor *Carel Greeff (born 1990), South African rugby union player *Jean Greeff (born 1990), South African weightlifter *Lloyd Greeff (born 1994), South African rugby union player *Melissa Greeff (born 1994), South African chess player *Pikkie Greeff (1968 - 2021), South African military trade union National Secretary *Richard Greeff (1829-1892), German zoologist *Stephan Greeff (born 1989), South African rugby union player *Werner Greeff (born 1977), South African rugby union player
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