List of Douglas A-20 Havoc operators

List of A-20 Havoc operators identifies the country, military service, and unit that has been supplied or purchased A-20s.

Australia

 * Royal Australian Air Force operated 69 Aircraft, 22 DB-7B, 9 A-20C, 9 A-20A and 29 A-20G
 * No. 22 Squadron RAAF

Brazil

 * Brazilian Air Force operated 30 A-20K and 1 A-20C
 * 1st Bomb Group Light
 * 2nd Bomb Group Light

Canada

 * Royal Canadian Air Force
 * No. 418 Squadron RCAF

France

 * French Air Force
 * No. 342 Sqn RAF (Free French)Boston III/IV

Japan
Japanese forces captured some Dutch DB-7B's in Java.
 * Imperial Japanese Army Air Force
 * Imperial Japanese Navy Air Service

Netherlands

 * Royal Netherlands East Indies Army Air Force received only some of the DB-7Bs shipped in lieu of DC-7Cs actually ordered.

Poland

 * Polish Air Force in Exile in Great Britain
 * No. 307 Polish Night Fighter Squadron

South Africa

 * South African Air Force
 * 24 Squadron SAAF

USSR
Received 2,908 Douglas Havocs, or over one third of total production.
 * Soviet Air Force
 * Soviet Naval Air Service
 * The Soviet Naval Air Service's primary anti-shipping aircraft were Havoc A-20Gs armed with torpedoes and mines.

United Kingdom

 * Royal Air Force
 * No. 13 Squadron RAF
 * No. 14 Squadron RAF
 * No. 18 Squadron RAF
 * No. 23 Squadron RAF
 * No. 55 Squadron RAF
 * No. 85 Squadron RAF
 * No. 88 Squadron RAF
 * No. 93 Squadron RAF
 * No. 107 Squadron RAF
 * No. 114 Squadron RAF
 * No. 226 Squadron RAF
 * No. 530 Squadron RAF
 * No. 531 Squadron RAF
 * No. 532 Squadron RAF
 * No. 533 Squadron RAF
 * No. 534 Squadron RAF
 * No. 535 Squadron RAF
 * No. 536 Squadron RAF
 * No. 537 Squadron RAF
 * No. 538 Squadron RAF (formerly No. 1459 Flight RAF) - Turbinlite
 * No. 539 Squadron RAF
 * No. 605 Squadron RAF

United States

 * United States Army Air Corps
 * United States Army Air Forces
 * United States Marine Corps
 * United States Navy