Lizzy de Greef (born 7 April 2004) is a Dutch wheelchair tennis player. She is former World No. 1 in February 2020 in junior singles, she is currently World number 8 in singles and World number 14 in doubles as of July 2024.^[1][2]

De Greef was born with a clubfoot, she had her right lower leg amputated when she was eleven years old. After she had her surgery, she discovered wheelchair tennis and started training in 2015.^[3]