Lukaku
Lukaku is a surname. Notable people with the surname include:

 Roger Lukaku (born 1967), Belgian and Congolese former footballer. He is the father of:
 Romelu Lukaku (born 1993), Belgian footballer, playing for Roma on loan from Chelsea since 2023
 Jordan Lukaku (born 1994), Belgian footballer, playing for Adanaspor since 2023

Surnames of Republic of the Congo origin