Hosta

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.

Athlete	Events	Heat		Semifinal		Final
Athlete	Events	Result	Rank	Result	Rank	Result	Rank
Paul Fournelle	Long jump	N/A		No mark	30	did not advance
Marcel Pelletier	Shot put	N/A		11.04	17	did not advance
Marcel Pelletier	Discus throw	N/A		33.73	33	did not advance