List of World War I aces credited with 9 victories

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 * Cyril John Agelasto
 * style="text-align:left;"| 🇬🇧 United Kingdom
 * Royal Flying Corps, Royal Air Force
 * 9
 * Ernst Freiherr von Althaus
 * style="text-align:left;"| German Empire
 * Luftstreitkräfte
 * 9
 * Charles Arnison
 * United Kingdom
 * Royal Flying Corps, Royal Air Force
 * 9
 * Paul Frank Baer
 * style="text-align:left;"| 🇺🇸 United States
 * Aéronautique Militaire, US Army Air Service
 * 9
 * Harold H. Balfour
 * United Kingdom
 * Royal Flying Corps, Royal Air Force
 * 9
 * Gottfried Freiherr von Banfield
 * style="text-align:left;"| Austria-Hungary
 * Luftfahrtruppen
 * 9
 * William Thomas Barnes
 * United Kingdom
 * Royal Air Force
 * 9
 * Walter Beales
 * United Kingdom
 * Royal Flying Corps, Royal Air Force
 * 9
 * style="background:#e3d9ff;"|Rex George Bennett†
 * United Kingdom
 * Royal Flying Corps, Royal Air Force
 * 9
 * Arno Benzler
 * German Empire
 * Luftstreitkräfte
 * 9
 * James Binnie
 * United Kingdom
 * Royal Flying Corps, Royal Air Force
 * 9
 * Fernand Bonneton
 * style="text-align:left;"| 🇫🇷 France
 * Aéronautique Militaire
 * 9
 * John Denis Breakey
 * United Kingdom
 * Royal Naval Air Service, Royal Air Force
 * 9
 * style="background:#e3d9ff;"|Konrad Brendle
 * German Empire
 * Luftstreitkräfte
 * 9
 * Alexandre Bretillon
 * France
 * Aéronautique Militaire
 * 9
 * Frederick Britnell
 * United Kingdom
 * Royal Naval Air Service, Royal Air Force
 * 9
 * William Henry Brown
 * style="text-align:left;"| 🇨🇦 Canada
 * Royal Flying Corps, Royal Air Force
 * 9
 * George William Bulmer
 * Canada
 * Royal Flying Corps, Royal Air Force
 * 9
 * style="background:#e3d9ff;"|Francis Dominic Casey
 * United Kingdom
 * Royal Naval Air Service
 * 9
 * Thomas Cassady
 * United States
 * Aéronautique Militaire, United States Army Air Service
 * 9
 * Leonard Arthur Christian
 * Canada
 * Royal Naval Air Service, Royal Air Force
 * 9
 * Arthur Coadou
 * France
 * Aéronautique Militaire
 * 9
 * Théophile Henri Condemine
 * France
 * Aéronautique Militaire
 * 9
 * Eric Douglas Cummings
 * style="text-align:left;"| 🇦🇺 Australia
 * Australian Flying Corps
 * 9
 * style="background:#e3d9ff;"|Donald Cunnell
 * United Kingdom
 * Royal Flying Corps
 * 9
 * Hector Daniel
 * style="text-align:left;"| Union of South Africa
 * Royal Flying Corps, Royal Air Force, South African Air Force
 * 9
 * George Darvill
 * United Kingdom
 * Royal Flying Corps, Royal Air Force
 * 9
 * Richard Dawes
 * Canada
 * Royal Flying Corps, Royal Air Force
 * 9
 * Roger Del'Haye
 * Canada
 * Royal Flying Corps, Royal Air Force, Royal Canadian Air Force
 * 9
 * Marcel Marc Dhome
 * France
 * Aéronautique Militaire
 * 9
 * style="background:#e3d9ff;"|Albert Dietlen
 * German Empire
 * Luftstreitkräfte
 * 9
 * George Dixon (aviator)|George Dixon
 * Canada
 * Royal Flying Corps, Royal Air Force
 * 9
 * Gustave Douchy
 * France
 * Aéronautique Militaire
 * 9
 * René Dousinelle
 * France
 * Aéronautique Militaire
 * 9
 * John Doyle
 * United Kingdom
 * Royal Flying Corps, Royal Air Force
 * 9
 * Christopher Draper
 * United Kingdom
 * Royal Naval Air Service, Royal Air Force
 * 9
 * Arthur Thomas Drinkwater
 * Australia
 * Royal Flying Corps, Royal Air Force
 * 9
 * Otto Fitzner
 * German Empire
 * Luftstreitkräfte
 * 9
 * James Henry Forman
 * Canada
 * Royal Naval Air Service, Royal Air Force
 * 9
 * Frederick Gordon
 * style="text-align:left;"| 🇳🇿 New Zealand
 * Royal Flying Corps, Royal Air Force
 * 9
 * Robert MacIntyre Gordon
 * United Kingdom
 * Royal Naval Air Service, Royal Air Force
 * 9
 * Acheson Goulding
 * Canada
 * Royal Flying Corps, Royal Air Force, Royal Canadian Air Force
 * 9
 * William Edward Green
 * United Kingdom
 * Royal Flying Corps, Royal Air Force
 * 9
 * George Hackwill
 * United Kingdom
 * Royal Flying Corps, Royal Air Force
 * 9
 * James Hardman
 * United Kingdom
 * Royal Flying Corps, Royal Air Force
 * 9
 * Friedrich Huffzky
 * German Empire
 * Luftstreitkräfte
 * 9
 * Frederick Hunt
 * United Kingdom
 * Royal Air Force
 * 9
 * Otto Jindra
 * Austria-Hungarian Empire
 * Luftfahrtruppen, Czech Air Force
 * 9
 * style="background:#e3d9ff;"|Reginald Johns
 * United Kingdom
 * Royal Naval Air Service, Royal Air Force
 * 9
 * Norman Cyril Jones
 * United Kingdom
 * Royal Flying Corps, Royal Air Force
 * 9
 * Georg Kenzian
 * Austro-Hungarian Empire
 * Luftfahrtruppen
 * 9
 * Harold Spencer Kerby
 * Canada
 * Royal Naval Air Service, Royal Air Force
 * 9
 * Leslie Walter King
 * United Kingdom
 * Royal Flying Corps, Royal Air Force
 * 9
 * Francis Kitto
 * United Kingdom
 * Royal Flying Corps, Royal Air Force
 * 9
 * Herbert Knappe
 * German Empire
 * Luftstreitkräfte
 * 9
 * Egon Koepsch
 * German Empire
 * Luftstreitkräfte
 * 9
 * style="background:#e3d9ff;"|Fritz Kosmahl
 * German Empire
 * Luftstreitkräfte
 * 9
 * Walter Kypke
 * German Empire
 * Luftstreitkräfte
 * 9
 * Georges Lachmann
 * France
 * Aéronautique Militaire
 * 9
 * Helmut Lange
 * German Empire
 * Luftstreitkräfte
 * 9
 * Jens Frederick Larsen
 * United States
 * Royal Flying Corps, Royal Air Force
 * 9
 * Charles Lavers
 * United Kingdom
 * Royal Flying Corps, Royal Air Force
 * 9
 * George V. Learmond
 * United Kingdom
 * Royal Flying Corps, Royal Air Force
 * 9
 * style="background:#e3d9ff;"|Gustav Leffers
 * German Empire
 * Luftstreitkräfte
 * 9
 * James Leith Leith
 * United Kingdom
 * Royal Flying Corps, Royal Air Force
 * 9
 * Selden Long
 * United Kingdom
 * Royal Flying Corps, Royal Air Force
 * 9
 * Cyril Lowe
 * United Kingdom
 * Royal Flying Corps, Royal Air Force
 * 9
 * Norman Macmillan
 * United Kingdom
 * Royal Flying Corps, Royal Air Force
 * 9
 * Herbert Mahn
 * German Empire
 * Luftstreitkräfte
 * 9
 * Cecil Marchant
 * United Kingdom
 * Royal Flying Corps, Royal Air Force
 * 9
 * style="background:#e3d9ff;"|Jean Matton
 * France
 * Aéronautique Militaire
 * 9
 * Ronald Mauduit
 * United Kingdom
 * Royal Flying Corps, Royal Air Force
 * 9
 * Reginald Maxwell
 * United Kingdom
 * Royal Flying Corps, Royal Air Force
 * 9
 * John Sutholand McDonald
 * United Kingdom
 * Royal Flying Corps, Royal Air Force
 * 9
 * Christopher McEvoy
 * United Kingdom
 * Royal Flying Corps, Royal Air Force
 * 9
 * David MacKay McGoun
 * Canada
 * Royal Flying Corps, Royal Air Force
 * 9
 * Horace Merritt
 * United Kingdom
 * Royal Flying Corps, Royal Air Force
 * 9
 * style="background:#e3d9ff;"|John Theobald Milne
 * United Kingdom
 * Royal Flying Corps
 * 9
 * Eberhard Mohnicke
 * German Empire
 * Luftstreitkräfte
 * 9
 * Basil Moody
 * Union of South Africa
 * Royal Flying Corps, Royal Air Force
 * 9
 * Aristeidis Moraitinis
 * style="text-align:left;"| 🇬🇷 Greece
 * Hellenic Naval Air Service, Royal Naval Air Service
 * 9
 * Hans Karl Müller
 * German Empire
 * Luftstreitkräfte
 * 9
 * Richard Burnard Munday
 * United Kingdom
 * Royal Naval Air Service, Royal Air Force
 * 9
 * style="background:#e3d9ff;"|Charles Napier
 * United Kingdom
 * Royal Flying Corps, Royal Air Force
 * 9
 * style="background:#e3d9ff;"|Giovanni Nicelli
 * style="text-align:left;"| 🇮🇹 Italy
 * Corpo Aeronautico Militare
 * 9
 * Ernest Norton
 * United Kingdom
 * Royal Naval Air Service, Royal Air Force
 * 9
 * style="background:#e3d9ff;"|Arthur Noss
 * United Kingdom
 * Royal Flying Corps
 * 9
 * Conn Standish O'Grady
 * United Kingdom
 * Royal Flying Corps
 * 9
 * style="background:#e3d9ff;"|Samuel Parry
 * United Kingdom
 * Royal Flying Corps, Royal Air Force
 * 9
 * style="background:#e3d9ff;"|Karl Pech
 * German Empire
 * Luftstreitkräfte
 * 9
 * Henri Albert Péronneau
 * France
 * Aéronautique Militaire
 * 9
 * Edmond Pierce
 * United Kingdom
 * Royal Naval Air Service, Royal Air Force
 * 9
 * Frank Ransley
 * United Kingdom
 * Royal Flying Corps, Royal Air Force
 * 9
 * Valentine Reed
 * United Kingdom
 * Royal Flying Corps
 * 9
 * William Reed
 * United Kingdom
 * Royal Flying Corps, Royal Air Force
 * 9
 * George Reid
 * United Kingdom
 * Royal Flying Corps, Royal Air Force
 * 9
 * William Wendell Rogers
 * Canada
 * Royal Flying Corps, Royal Air Force
 * 9
 * Willi Rosenstein
 * German Empire
 * Luftstreitkräfte
 * 9
 * Herbert Rowley
 * United Kingdom
 * Royal Naval Air Service, Royal Air Force
 * 9
 * Ernest James Salter
 * Canada
 * Royal Flying Corps, Royal Air Force
 * 9
 * Karl Schattauer
 * German Empire
 * Luftstreitkräfte
 * 9
 * style="background:#e3d9ff;"|Adolf Schulte
 * German Empire
 * Luftstreitkräfte
 * 9
 * style="background:#e3d9ff;"|Joseph Siddall
 * United Kingdom
 * Royal Naval Air Service, Royal Air Force
 * 9
 * Charles Sims
 * United Kingdom
 * Royal Naval Air Service, Royal Air Force
 * 9
 * style="background:#e3d9ff;"|Arthur Solly
 * United Kingdom
 * Royal Flying Corps
 * 9
 * Anthony Spence
 * Canada
 * Royal Naval Air Service, Royal Air Force
 * 9
 * style="background:#e3d9ff;"|Grigoriy Suk
 * style="text-align:left;"| Russian Empire
 * Imperial Army Air Service
 * 9
 * style="background:#e3d9ff;"|Mathieu Tenant de la Tour
 * France
 * Aéronautique Militaire
 * 9
 * Louis Mark Thompson
 * Canada
 * Royal Flying Corps, Royal Air Force
 * 9
 * Ronald Thornely
 * United Kingdom
 * Royal Flying Corps, Royal Naval Air Service, Royal Air Force
 * 9
 * Frederick Dudley Travers
 * United Kingdom
 * Royal Naval Air Service, Royal Air Force
 * 9
 * Ronald William Turner
 * United Kingdom
 * Royal Flying Corps, Royal Air Force
 * 9
 * Ferdinand Udvardy
 * Austro-Hungarian
 * Luftfahrtruppen
 * 9
 * Marcel Viallet
 * France
 * Aéronautique Militaire
 * 9
 * style="background:#e3d9ff;"|Guy Wareing
 * United Kingdom
 * Royal Flying Corps, Royal Air Force
 * 9
 * Kenneth Bowman Watson
 * Canada
 * Royal Flying Corps, Royal Air Force
 * 9
 * style="background:#e3d9ff;"|Albert Edward Wear
 * United Kingdom
 * Royal Flying Corps
 * 9
 * Georg Weiner
 * German Empire
 * Luftstreitkräfte, Luftwaffe
 * 9
 * Thomas Williams
 * Union of South Africa
 * Royal Flying Corps, Royal Air Force
 * 9
 * Alec Williamson
 * United Kingdom
 * Royal Flying Corps, Royal Air Force
 * 9
 * Chester Wright
 * United States
 * United States Army Air Service
 * 9
 * 9
 * Willi Rosenstein
 * German Empire
 * Luftstreitkräfte
 * 9
 * Herbert Rowley
 * United Kingdom
 * Royal Naval Air Service, Royal Air Force
 * 9
 * Ernest James Salter
 * Canada
 * Royal Flying Corps, Royal Air Force
 * 9
 * Karl Schattauer
 * German Empire
 * Luftstreitkräfte
 * 9
 * style="background:#e3d9ff;"|Adolf Schulte
 * German Empire
 * Luftstreitkräfte
 * 9
 * style="background:#e3d9ff;"|Joseph Siddall
 * United Kingdom
 * Royal Naval Air Service, Royal Air Force
 * 9
 * Charles Sims
 * United Kingdom
 * Royal Naval Air Service, Royal Air Force
 * 9
 * style="background:#e3d9ff;"|Arthur Solly
 * United Kingdom
 * Royal Flying Corps
 * 9
 * Anthony Spence
 * Canada
 * Royal Naval Air Service, Royal Air Force
 * 9
 * style="background:#e3d9ff;"|Grigoriy Suk
 * style="text-align:left;"| Russian Empire
 * Imperial Army Air Service
 * 9
 * style="background:#e3d9ff;"|Mathieu Tenant de la Tour
 * France
 * Aéronautique Militaire
 * 9
 * Louis Mark Thompson
 * Canada
 * Royal Flying Corps, Royal Air Force
 * 9
 * Ronald Thornely
 * United Kingdom
 * Royal Flying Corps, Royal Naval Air Service, Royal Air Force
 * 9
 * Frederick Dudley Travers
 * United Kingdom
 * Royal Naval Air Service, Royal Air Force
 * 9
 * Ronald William Turner
 * United Kingdom
 * Royal Flying Corps, Royal Air Force
 * 9
 * Ferdinand Udvardy
 * Austro-Hungarian
 * Luftfahrtruppen
 * 9
 * Marcel Viallet
 * France
 * Aéronautique Militaire
 * 9
 * style="background:#e3d9ff;"|Guy Wareing
 * United Kingdom
 * Royal Flying Corps, Royal Air Force
 * 9
 * Kenneth Bowman Watson
 * Canada
 * Royal Flying Corps, Royal Air Force
 * 9
 * style="background:#e3d9ff;"|Albert Edward Wear
 * United Kingdom
 * Royal Flying Corps
 * 9
 * Georg Weiner
 * German Empire
 * Luftstreitkräfte, Luftwaffe
 * 9
 * Thomas Williams
 * Union of South Africa
 * Royal Flying Corps, Royal Air Force
 * 9
 * Alec Williamson
 * United Kingdom
 * Royal Flying Corps, Royal Air Force
 * 9
 * Chester Wright
 * United States
 * United States Army Air Service
 * 9
 * style="background:#e3d9ff;"|Albert Edward Wear
 * United Kingdom
 * Royal Flying Corps
 * 9
 * Georg Weiner
 * German Empire
 * Luftstreitkräfte, Luftwaffe
 * 9
 * Thomas Williams
 * Union of South Africa
 * Royal Flying Corps, Royal Air Force
 * 9
 * Alec Williamson
 * United Kingdom
 * Royal Flying Corps, Royal Air Force
 * 9
 * Chester Wright
 * United States
 * United States Army Air Service
 * 9
 * Chester Wright
 * United States
 * United States Army Air Service
 * 9