Louis De Ridder (9 June 1902 – 5 May 1981) was a Belgian athlete who competed in ice hockey, speed skating and bobsleigh at the 1924 and 1936 Winter Olympics.

He is sometimes confused with Emiel De Ridder who in 1930 represented Belgium at the first recorded and recognised European Roller Speed Skating Championships on the road in his home town of Anvers (Antwerp) where he took the gold medal in all three events, however, they are different people.

This biographical article relating to bobsleigh in Belgium is a stub.

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