François Lafortune Sr.
François Jacques Florentin Lafortune was a Belgian rifle shooter who competed at five Olympic Games. He was born in Leuven.
He was part of a shooting family with sixteen Olympic appearances between them. His last two Olympic appearances were made with his son, seven-time-Olympian Frans Lafortune. His last Olympic appearance was also made with his younger brother, four-time Olympian Marcel Lafortune.
His older brother Hubert Lafortune was part of the Belgian gymnastics team that won silver at the 1920 Olympic Games.