Marcel Marcilloux

{{short description|French fencer}}

{{Infobox fencer

| name = Marcel Marcilloux

| image = Marcel Marcilloux French Fencing Championship 2013 n02.jpg

| caption = At the 2013 French Fencing Championships

| birth_name =

| fullname =

| nickname =

| nationality =

| residence =

| birth_date = {{birth date and age|1986|10|13|df=yes}}

| birth_place = Aix-en-Provence

| death_date =

| death_place =

| height = {{height|m=1.78}}

| weight = {{convert|71|kg|lb st|abbr=on}}

| weapon = Foil

| hand = right-handed

| website =

| club = Escrime du Pays d'Aix

| natlcoach =

| headcoach =

| retired = 2013

| fieranking = [https://fie.org/athletes/8041 current ranking]

| medaltemplates =

{{MedalSport | Men's Foil}}

{{MedalCountry | {{FRA}} }}

{{MedalCompetition|World Championships}}

{{MedalGold|2006 Turin|Team foil}}

{{MedalGold|2007 Saint-Petersburg|Team foil}}

{{MedalSilver|2011 Catania|Team foil}}

{{MedalBronze|2013 Budapest|Team foil}}

{{MedalCompetition|European Championships}}

{{MedalSilver|2011 Sheffield|Team foil}}

{{MedalBronze|2005 Zalaegerszeg|Team foil}}

{{MedalBronze|2008 Kiev|Team foil}}

}}

Marcel Marcilloux (born 3 October 1980) is a retired French foil fencer, team World champion in 2006 and 2007. He took part in the men's team foil event of the 2012 Summer Olympics. France were defeated in the quarter-finals by the United States and finished 8th.