Luxembourg competed at the 1976 Summer Olympics in Montreal, Quebec, Canada. Eight competitors, all men, took part in seven events in four sports.^[2]

Men's High Jump

• Marc Romersa

• Qualification – 2.05m (→ did not advance)

Men's 20 km Race Walk

• Lucien Faber – 1:36:21 (→ 28th place)

Two cyclists represented Luxembourg in 1976.

Individual road race

• Lucien Didier – did not finish (→ no ranking)
• Marcel Thull – did not finish (→ no ranking)

Two fencers represented Luxembourg in 1976.

Men's épée

• Roger Menghi
• Robert Schiel

• "Official 1976 Olympic report – Part 3" (PDF). LA84 Foundation/International Olympic Committee. Archived from the original (PDF) on 9 April 2008. Retrieved 17 December 2010.