List of World War I aces from Switzerland

While Switzerland remained neutral during World War I, four of its citizens served in other nations' air forces and became flying aces.


 * Edmund Nathanael – 15 confirmed aerial victories while serving in Germany's Luftstreitkräfte
 * Alfred Michael Koch – 10 confirmed aerial victories while serving in the Royal Flying Corps and Royal Air Force
 * Marcel Bloch – 5 confirmed aerial victories while serving in the French Aéronautique Militaire
 * Jacques Roques – 5 confirmed aerial victories when serving in the French Aéronautique Militaire