François Jean Julien Lowyck (born 1 September 1894 in Bruges - 10 March 1969 in Bruges) was a Belgian football player. His position on the field was forward. Throughout his career, Lowyck only played for one team: Cercle Brugge. He made his debut in the 1912-13 season. That same season, Cercle Brugge lost the final. Only one season later, Lowyck would already become top scorer of the team. He would repeat this event in 1921, after the interruption due to World War I. Frans Lowyck quit playing football the season before Cercle Brugge's second national championship and victory.