List of World War I aces from Switzerland

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

• Alfred Michael Koch – 10 confirmed aerial victories while serving in the Royal Flying Corps and Royal Air Force.^[1]
• Marcel Bloch – 5 confirmed aerial victories while serving in the French Aéronautique Militaire.^[2]
• Jacques Roques – 5 confirmed aerial victories when serving in the French Aéronautique Militaire.^[3]

Notes

Bibliography

• Franks, Norman & Bailey, Frank W. (1992). Over the Front: A Complete Record of the Fighter Aces and Units of the United States and French Air Services, 1914–1918. London, UK: Grub Street. ISBN 978-0-948817-54-0.
• Franks, Norman; Bailey, Frank W. & Guest, Russell (1993). Above the Lines: The Aces and Fighter Units of the German Air Service, Naval Air Service and Flanders Marine Corps 1914–1918. London, UK: Grub Street. ISBN 978-0-948817-73-1.
• Shores, Christopher F.; Franks, Norman & Guest, Russell F. (1990). Above the Trenches: a Complete Record of the Fighter Aces and Units of the British Empire Air Forces 1915–1920. London, UK: Grub Street. ISBN 978-0-948817-19-9.