Just Louis Fontaine (pronounced ; born 18 August 1933) is a retired French professional footballer. A prolific forward, he is best known for scoring the most goals in a single edition of the FIFA World Cup, with 13 in six matches in 1958. In 2004, Pelé named him one of the 125 Greatest Living Footballers at a FIFA Awards Ceremony.
Born in Marrakech to a French father and a Spanish mother, Fontaine moved to Casablanca, where he attended the Lycée Lyautey.
Fontaine began his amateur career at USM Casablanca, where he played from 1950 to 1953. Nice recruited him in 1953, and he went on to score 44 goals in three seasons for the club. In 1956, he moved to Stade de Reims, where he teamed up with Raymond Kopa from the 1959-60 season. Fontaine scored 121 goals in six seasons at the Stade de Reims. In total, Fontaine scored 165 goals in 200 matches in the Ligue 1, and twice won the championship; in 1958 and 1960. He also took part in the team that got to the 1958–59 European Cup final against Real Madrid, being that season's top scorer with 10 goals.