This list is complete. Notable aces are linked to their biographies.
| Name | Country | Air service(s) | Victories | |
|---|---|---|---|---|
| Cyril John Agelasto |  United Kingdom | Royal Flying Corps, Royal Air Force | 9[1] | |
| Ernst Freiherr von Althaus | Luftstreitkräfte | 9[2] | ||
| Charles Arnison | United Kingdom | Royal Flying Corps, Royal Air Force | 9[3] | |
| Paul Frank Baer |  United States | Aéronautique Militaire, US Army Air Service | 9[4] | |
| Harold H. Balfour | United Kingdom | Royal Flying Corps, Royal Air Force | 9 | |
| Gottfried Freiherr von Banfield | Luftfahrtruppen | 9 | ||
| William Thomas Barnes | United Kingdom | Royal Air Force | 9 | |
| Walter Beales | United Kingdom | Royal Flying Corps, Royal Air Force | 9 | |
| Rex George Bennett† | United Kingdom | Royal Flying Corps, Royal Air Force | 9 | |
| Arno Benzler | Luftstreitkräfte | 9 | ||
| James Binnie | United Kingdom | Royal Flying Corps, Royal Air Force | 9 | |
| Fernand Bonneton |  France | Aéronautique Militaire | 9 | |
| John Denis Breakey | United Kingdom | Royal Naval Air Service, Royal Air Force | 9 | |
| Konrad Brendle | Luftstreitkräfte | 9 | ||
| Alexandre Bretillon | France | Aéronautique Militaire | 9 | |
| Frederick Britnell | United Kingdom | Royal Naval Air Service, Royal Air Force | 9 | |
| William Henry Brown |  Canada | Royal Flying Corps, Royal Air Force | 9 | |
| George William Bulmer | Canada | Royal Flying Corps, Royal Air Force | 9 | |
| 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 |  Australia | Australian Flying Corps | 9 | |
| Donald Cunnell | United Kingdom | Royal Flying Corps | 9 | |
| Hector Daniel |  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 | |
| Albert Dietlen | 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 | Luftstreitkräfte | 9 | ||
| James Henry Forman | Canada | Royal Naval Air Service, Royal Air Force | 9 | |
| Frederick Gordon |  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 | Luftstreitkräfte | 9 | ||
| Frederick Hunt | United Kingdom | Royal Air Force | 9 | |
| Otto Jindra | Luftfahrtruppen, Czech Air Force | 9 | ||
| 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 | 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 | Luftstreitkräfte | 9 | ||
| Egon Koepsch | Luftstreitkräfte | 9 | ||
| Fritz Kosmahl | Luftstreitkräfte | 9 | ||
| Walter Kypke | Luftstreitkräfte | 9 | ||
| Georges Lachmann | France | Aéronautique Militaire | 9 | |
| Helmut Lange | 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 | |
| Gustav Leffers | 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 | Luftstreitkräfte | 9 | ||
| Cecil Marchant | United Kingdom | Royal Flying Corps, Royal Air Force | 9 | |
| 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 | |
| John Theobald Milne | United Kingdom | Royal Flying Corps | 9 | |
| Eberhard Mohnicke | Luftstreitkräfte | 9 | ||
| Basil Moody | South Africa | Royal Flying Corps, Royal Air Force | 9 | |
| Aristeidis Moraitinis |  Greece | Hellenic Naval Air Service, Royal Naval Air Service | 9[5] | |
| Hans Karl Müller | Luftstreitkräfte | 9 | ||
| Richard Burnard Munday | United Kingdom | Royal Naval Air Service, Royal Air Force | 9 | |
| Charles Napier | United Kingdom | Royal Flying Corps, Royal Air Force | 9 | |
| Giovanni Nicelli |  Italy | Corpo Aeronautico Militare | 9 | |
| Ernest Norton | United Kingdom | Royal Naval Air Service, Royal Air Force | 9 | |
| Arthur Noss | United Kingdom | Royal Flying Corps | 9 | |
| Conn Standish O'Grady | United Kingdom | Royal Flying Corps | 9 | |
| Samuel Parry | United Kingdom | Royal Flying Corps, Royal Air Force | 9 | |
| Karl Pech | 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 | 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 | Luftstreitkräfte | 9 | ||
| Adolf Schulte | Luftstreitkräfte | 9 | ||
| Joseph Siddall | United Kingdom | Royal Naval Air Service, Royal Air Force | 9 | |
| Charles Sims | United Kingdom | Royal Naval Air Service, Royal Air Force | 9 | |
| Arthur Solly | United Kingdom | Royal Flying Corps | 9 | |
| Anthony Spence | Canada | Royal Naval Air Service, Royal Air Force | 9 | |
| Grigoriy Suk | Imperial Army Air Service | 9 | ||
| 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 | Luftfahrtruppen | 9 | ||
| Marcel Viallet | France | Aéronautique Militaire | 9 | |
| Guy Wareing | United Kingdom | Royal Flying Corps, Royal Air Force | 9 | |
| Kenneth Bowman Watson | Canada | Royal Flying Corps, Royal Air Force | 9 | |
| Albert Edward Wear | United Kingdom | Royal Flying Corps | 9 | |
| Georg Weiner | Luftstreitkräfte, Luftwaffe | 9 | ||
| Thomas Williams | 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 | |