Operators
- Austria
- Austrian Air Force
- Australia
- Royal Australian Air Force
- No. 21 Squadron RAAF
- No. 22 Squadron RAAF
- No. 23 Squadron RAAF
- No. 25 Squadron RAAF
- No. 75 Squadron RAAF
- No. 76 Squadron RAAF
- No. 1 Advanced Flying Training School RAAF
- No. 2 Operational Conversion Unit RAAF
- No. 5 Operational Training Unit RAAF
- Central Flying School RAAF
- Royal Australian Navy Fleet Air Arm (RAN)
- 723 Squadron RAN
- 724 Squadron RAN
- Burma
- Burmese Air Force
- Ceylon
- Royal Ceylon Air Force
- Canada
- Royal Canadian Air Force
- Chile
- Chilean Air Force
- Congo
- Dominican Republic
- Dominican Air Force - (F.1: 25 (ex Swedish); FB.50: 17 (ex Swedish))
- Egypt
- Egyptian Air Force
- Finland
- Finnish Air Force
- France
- Armee de l'Air
- Aeronavale
- India
- Indian Air Force
- Indonesia
- Indonesian Air Force - (T.11: 6)
- Iraq
- Iraqi Air Force
- Ireland
- Irish Air Corps
- Italy
- Italian Air Force
- Japan
- Japan Air Self-Defense Force One Vampire T55 trainer delivered in 1955 for JSDAF evaluation.
- Jordan
- Royal Jordanian Air Force
- Katanga
- (T.11: 2 (ex Portuguese))
- Lebanon
- Lebanese Air Force
- Mexico
- Mexican Air Force (retired 1970)
- New Zealand
- Royal New Zealand Air Force
- No. 14 Squadron RNZAF
- No. 75 Squadron RNZAF
- Norway
- Royal Norwegian Air Force
- No. 336 Squadron RNoAF
- No. 337 Squadron RNoAF
- No. 339 Squadron RNoAF
- Jet Training Wing
- Portugal
- Portuguese Air Force
- Rhodesia
- Rhodesian Air Force
- South Africa
- South African Air Force
- Sweden
- Swedish Air Force : (F.1 (J 28A): 70; FB.50 (J 28B): 310; T.55 (J 28C): 57)
- Switzerland
- Swiss Air Force
- Syria
- Syrian Air Force
- United Kingdom
- Royal Air Force
- Fleet Air Arm
- Venezuela
- Venezuelan Air Force
- Zimbabwe
- Zimbabwe Air Force
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