Marcel Langsam (October 26, 1891 <unk> November 21, 1979) akanga ari Luxembourgian gymnast uyo vakwikwidzana muna 1912 Summer yeOlympic. Muna 1912 aiva nhengo yechikwata cheLuxembourg icho chakaguma chechina muboka, makwikwi eEurope
uye wechishanu muchikwata, chiitiko chehurongwa chepachena.