Luxembourg at the 1912 Summer Olympics

Luxembourg competed at the 1912 Summer Olympics in Stockholm, Sweden. It was the first official appearance at the modern Olympic Games for the nation, although it was later discovered that one Luxembourgish athlete competed in 1900.

Athletics
Two athletes represented Luxembourg in the nation's Olympic debut. Pelletier's 17th-place finish in the shot put was Luxembourg's best placement.

Ranks given are within that athlete's heat for running events.

Gymnastics
all-around team, European system
 * Antoine Wehrer - 15th, 117.25 points
 * Pierre Hentges - 18th, 115.50 points
 * Jean-Pierre Thommes - 22nd, 110.75 points
 * François Hentges - 23rd, 110.50 points
 * Emile Lanners - 24th, 109.75 points

fourth place, 35.95 points team, free system
 * Nicolas Adam
 * Charles Behm
 * André Bordang
 * Michel Hemmerling
 * François Hentges
 * Pierre Hentges
 * Jean-Baptiste Horn
 * Nicolas Kanivé
 * Nicolas Kummer
 * Marcel Langsam
 * Emile Lanners
 * Jean-Pierre Thommes
 * François Wagner
 * Antoine Wehrer
 * Ferd Wirtz
 * Joseph Zuang

fifth place, 16.30 points
 * Nicolas Adam
 * Charles Behm
 * André Bordang
 * Jean-Pierre Frantzen
 * Michel Hemmerling
 * François Hentges
 * Pierre Hentges
 * Jean-Baptiste Horn
 * Nicolas Kanivé
 * Émile Knepper
 * Nicolas Kummer
 * Marcel Langsam
 * Emile Lanners
 * Maurice Palgen
 * Jean-Pierre Thommes
 * François Wagner
 * Antoine Wehrer
 * Ferd Wirtz
 * Joseph Zuang