Ray Cillien (June 26, 1939 - September 22, 1991) was a boxer from Luxembourg. He was born in Esch-sur-Alzette. Cillien was member of the Luxembourgish Olympic team at the 1960 Summer Olympics in Rome. After a bye in the first round of the light-heavyweight division, he was eliminated in the second round by Soviet Gennadiy Shatkov.
Below are the results of Ray Cillien, a light heavyweight boxer who competed for Luxembourg at the 1960 Rome Olympics:
|-|align="center" colspan=8|7 Wins (1 knockout, 6 decisions), 13 Losses (8 knockouts, 5 decisions)http://boxrec.com/list_bouts.php?human_id=28402&cat=boxer|-| align="center" style="border-style: none none solid solid; background: #e3e3e3"|Result| align="center" style="border-style: none none solid solid; background: #e3e3e3"|Record| align="center" style="border-style: none none solid solid; background: #e3e3e3"|Opponent| align="center" style="border-style: none none solid solid; background: #e3e3e3"|Type| align="center" style="border-style: none none solid solid; background: #e3e3e3"|Round| align="center" style="border-style: none none solid solid; background: #e3e3e3"|Date| align="center" style="border-style: none none solid solid; background: #e3e3e3"|Location| align="center" style="border-style: none none solid solid; background: #e3e3e3"|Notes|-align=center|Loss||align=left| Vittorio Saraudi|TKO|4|13/08/1966|align=left| Rimini, Emilia-Romagna|align=left||-|Loss||align=left| Bjarne Lingaas|PTS|6|10/12/1965|align=left| Masshallen, Gothenburg|align=left||-|Loss||align=left| Wim Snoek|TKO|2|04/10/1965|align=left| Luxembourg City|align=left||-|Win||align=left| Valere Mahau|PTS|8|28/06/1965|align=left| Luxembourg City|align=left||-|Win||align=left| Robert Jacobs|KO|7|03/05/1965|align=left| Esch-sur-Alzette|align=left||-|Win||align=left| Karl Hermann Troche|PTS|8|15/03/1965|align=left| Esch-sur-Alzette|align=left||-|Loss||align=left| Buddy Turman|KO|2|13/02/1965|align=left| Ernst Merck Halle, Hamburg|align=left||-|Loss||align=left| Henri Corack|RTD|5|21/11/1964|align=left| Lannion, Cotes-D'armor|align=left||-|Win||align=left| Henri Ferjules|PTS|8|02/10/1964|align=left| Esch-sur-Alzette|align=left||-|Loss||align=left| Lennart Risberg|PTS|8|09/05/1964|align=left| Royal Tennis Hall, Stockholm|align=left||-|Loss||align=left| Pekka Kokkonen|KO|2|09/12/1963|align=left| Helsinki|align=left||-|Loss||align=left| Bas van Duivenbode|PTS|8|04/11/1963|align=left| Riviera-hal, Rotterdam|align=left||-|Loss||align=left| Wim Snoek|PTS|10|16/09/1963|align=left| Riviera-hal, Rotterdam|align=left||-|Loss||align=left| Joe Erskine|TKO|4|29/07/1963|align=left| Cardiff Drill Hall, Cardiff|align=left||-|Loss||align=left| Giuseppe Migliari|KO|4|22/02/1963|align=left| Milan, Lombardy|align=left||-|Loss||align=left| Yao Kouame|PTS|10|09/12/1962|align=left| Abidjan|align=left||-|Win||align=left| Albert Duscha|PTS|8|30/09/1962|align=left| Luxembourg City|align=left||-|Loss||align=left| Mariano Echevarria|KO|5|13/07/1962|align=left| Madrid|align=left||-|Win||align=left| Guenter Huber|PTS|6|28/01/1962|align=left| Limpertsberg|align=left||-|Win||align=left| Ivan Prebeg|PTS|8|06/12/1961|align=left| Bonnevoie|align=left||}