| 1 | KV | State United Venture Kavminvodyavia | ICAO: MVD, Callsign: Air Minvody, Ceased operations. Designator KV reinstated by IATA | RUS | AVCODES |
| 2 | KV | Modern Air Transport, Inc. | Callsign: Modern, | USA | AVCODES |
| 3 | KV | CAI, Compagnia Aeronautica Italiana S.p.A. | ICAO: KVY, Callsign: Kilo Victor, Designator KV recalled by IATA | I | AVCODES |
| 4 | KV | Aircompany Asian Express Airline LLC | ICAO: TXP, Callsign: Tajik Express, Designator KV recalled by IATA | TJ | AVCODES |
| 5 | KV | Sky Regional Airlines, Inc. | ICAO: SKV, Callsign: Sky Regional, Ceased operations on 31 March 2021. IATA Designator changed from RS*. | CDN | AVCODES |
| 6 | KV | Krasavia, Joint-Stock Company | ICAO: SSJ, Callsign: Siberian Sky, Name changed from Krasavia, State Enterprise of Krasnoyarsk Territory. Designator KI recalled by IATA. Founded in 1956 as part of Aeroflot. Became independent in 1992. | RUS | AVCODES |
| 7 | KV | Kettle Valley Ry. Co. (Canadian Pacific Ry.) | 7/1932 | | NAKINA |
| 8 | KV | Kettle Valley Ry. Co. | 8/1920-7/1930 | | NAKINA |
| 9 | KV | CANADIAN PACIFIC RWY. [KETTLE VALLEY RWY. CO.] | | | PWRC |
| 10 | KV | Kalmar Veterantåg | | SE | VKM |
| 11 | KV&W | Kansas City, Kaw Valley & Western R.R. (Co.) | 7/1930-10/1957 | | NAKINA |
| 12 | KV&W | Kansas City, Kaw Valley & Western Ry. Co. | 8/1920-7/1923 | | NAKINA |
| 13 | KV&W | KANSAS CITY, KAW VALLEY & WESTERN RAILROAD | | | PWRC |
| 14 | KVA | Kavok Airlines, C.A. | Callsign: Catatumbo, | YV | AVCODES |
| 15 | KVA | Kraftverkehr Annaberg | | DDR | TRAFFIC |
| 16 | KVAG | | City: Kiel | D | TRAFFIC |
| 17 | KVAS | KANSAS VAN AND STORAGE COMPANY INC | | | SCAC3 |
| 18 | KVAS | KANSAS VAN AND STORAGE CRIQUI CORP | | | SCAC4 |
| 19 | KVB | | City: Köln | D | TRAFFIC |
| 20 | KVBA | VEB Kraftverkehr Bautzen | Real: KVB | DDR | TRAFFIC |
| 21 | KVBAG | Kölner Verkhers-Betriebe-AG | | DE | VKM |
| 22 | KVC | VEB Kraftverkehr Chemnitz | | D | TRAFFIC |
| 23 | KVCK | KVICHAK-ILIAMNA TRANSPORTATION CO | | | SCAC3 |
| 24 | KVCK | KVC LOGISTICS CORP | | | SCAC4 |
| 25 | KVCT | KOVAC TRUCKING INC | | | SCAC4 |
| 26 | KVD | VEB Kraftverkehr Dresden | | DDR | TRAFFIC |
| 27 | KVDL | Kraftverkehrsgesellschaft Dreiländereck | | DDR | TRAFFIC |
| 28 | KVDM | KRENKEVI | | | SCAC4 |
| 29 | KVE | VEB Kraftverkehr Eisleben | | DDR | TRAFFIC |
| 30 | KVEC | KOREA V EXPRESS CORP | | | SCAC3 |
| 31 | KVEN | KAVEN TRANSPORT | | | SCAC3 |
| 32 | KVER | Kraftverkehr Erkelenz | | D | TRAFFIC |
| 33 | KVES | K-VAC ENVIRONMENTAL SERVICES INC | | | SCAC4 |
| 34 | KVET | KEITH, VERNON ELWOOD TRUCKING | | | SCAC3 |
| 35 | KVG | Kahlgrund-Verkehrs-GmbH | Schöllkrippen | D | privat-bahn.de |
| 36 | KVG | Kasseler Verkehrsgesellschaft | City: Kassel | D | TRAFFIC |
| 37 | KVG | Kahlgrund-Verkehrs-GmbH | | DE | VKM |
| 38 | KVGA | KAPITAN VAGA SHIPPING CO LTD, THE | | | SCAC3 |
| 39 | KVGA | KEY BROKERAGE SERVICES | | | SCAC4 |
| 40 | KVGA | Kraftverkehrsgesellschaft Annaberg | | D | TRAFFIC |
| 41 | KVGB | Kraftverkehrsgesellschaft mbH Braunschweig | Real: KVG, City: Braunschweig | D | TRAFFIC |
| 42 | KVGG | KVG GROUP INC | | | SCAC4 |
| 43 | KVGH | KVG-Hamburg Kesselwagen Vermietgesellschaft mbH | | AT | VKM |
| 44 | KVGO | VEB Kraftverkehr Görlitz | Real: KVG | DDR | TRAFFIC |
| 45 | KVGR | Kahlgrundbahn | Real: KVG | D | TRAFFIC |
| 46 | KVGRI | Kraftverkehrsgesellschaft Ribnitz-Damgarten | | D | TRAFFIC |
| 47 | KVGV | KVG-Wien Kesselwagen Vermietgesellschaft mbH | | AT | VKM |
| 48 | KVGZI | Krefverkehrsgesellschaft Zittau | | D | TRAFFIC |
| 49 | KVH | VEB Kraftverkehr Halle | | DDR | TRAFFIC |
| 50 | KVHU | MKVH ADVISORS, INC. | | USA | BIC |
| 51 | KVIE | KRANVIR TRANSPORT INC | | | SCAC4 |
| 52 | KVIK | KUNZ, VIKTOR | | | SCAC4 |
| 53 | KVK | Olimp Air, LLC | Callsign: Ponta, | KZ | AVCODES |
| 54 | KVK | Olimp Air | | | ICAO1 |
| 55 | KVK | Krkonošské vápenky Kunčice, a.s. | | CZ | VKM |
| 56 | KVKO | VEB KraftVerkehr Köthen | City: Köthen | DDR | TRAFFIC |
| 57 | KVKT | KVK TRANSPORT INC | | | SCAC4 |
| 58 | KVKU | KEMISK VAERK KOEGE A/S | | | SCAC3 |
| 59 | KVKV | Kassai Villamos Közúti Vasút | City: Kassa (Kosice) | H | TRAFFIC |
| 60 | KVKW | KVK WORLDWIDE LOGISTICS | | | SCAC4 |
| 61 | KVL | VEB Kraftverkehr Leipzig | | DDR | TRAFFIC |
| 62 | KVLA | KAVALLA SHIPPING COMPANY | | | SCAC3 |
| 63 | KVLI | KIMBRELL VAN LINES INC | | | SCAC3 |
| 64 | KVLT | KIVLEHEN TRANSPORT | | | SCAC3 |
| 65 | KVLT | KEVLOR TRANSPORTATION (2004) INC | | | SCAC4 |
| 66 | KVM | Rusaerolizing Airline | Callsign: Comlease, | RUS | AVCODES |
| 67 | KVM | VEB Kraftverkehr Meißen | | DDR | TRAFFIC |
| 68 | KVMN | KV MODEL TRAINS | | | SCAC4 |
| 69 | KVMT | KVM TRANSPORT COMPANY | | | SCAC4 |
| 70 | KVN | Korea Aviation Co. Ltd | Callsign: Korea Aviation, | ROK | AVCODES |
| 71 | KVNI | KVN TRANSLIN INC | | | SCAC4 |
| 72 | KVNL | KATY VAN LINES INC | | | SCAC3 |
| 73 | KVNS | KENNEDY VAN & STORAGE | | | SCAC3 |
| 74 | KVOU | RUSVINYL LLC | | RUS | BIC |
| 75 | KVP | Air Kazakhstan Express | Callsign: Kazex, | KZ | AVCODES |
| 76 | KVP | VEB Kraftverkehr Pirna | | DDR | TRAFFIC |
| 77 | KVP | Kymen Veturipalvelu Oy | | FI | VKM |
| 78 | KVPO | VEB KraftVerkehr Potsdam | | DDR | TRAFFIC |
| 79 | KVPT | KVP TRANSPORTATION INC | | | SCAC4 |
| 80 | KVPU | OST-ATOL LTD | | | SCAC4 |
| 81 | KVPX | Brown Forest Industries Ltd., a Division of Brown Co. | added 4/1967; eliminated 1/1969 (reporting marks changed to BFIX) | | NAKINA |
| 82 | KVPX | KVP Co., Ltd. | 1/1950-10/1966; eliminated 4/1967 | | NAKINA |
| 83 | KVPX | KVP Co., Ltd. | 1/52-10/66; eliminated 4/67 | | NRHS |
| 84 | KVPX | Brown Forest Industries Ltd., a Division of Brown Co. | added 4/67; eliminated 1/69 (reporting marks changed to BFIX) | | NRHS |
| 85 | KVPX | BROWN FOREST INDUSTRIES LTD., DIV. BROWN CO. [KVP CO., LTD.] (MARK CHANGED TO BFIX) | | | PWRC |
| 86 | KVPX | KVP CO LTD THE | | | SCAC3 |
| 87 | KVR | Alliance Avia | Callsign: Kavair, Name changed to Sky Service | KZ | AVCODES |
| 88 | KVR | Sky Service | Callsign: Kavair, Name changed from Alliance Avia | KZ | AVCODES |
| 89 | KVR | Alliance Avia | | | ICAO1 |
| 90 | KVR | Kem Valley R.R. | 7/2005 | | NAKINA |
| 91 | KVR | KERN VALLEY RAILROAD | | | PWRC |
| 92 | KVR | Kern Valley Railroad | | | RSRV |
| 93 | KVR | KERN VALLEY RAILROAD | | | SCAC4 |
| 94 | KVRL | K V RACING TECHNOLOGY LLC | | | SCAC4 |
| 95 | KVRT | KLUVER TRANSPORT INC | | | SCAC4 |
| 96 | KVS | Kevis | Callsign: Kevis, | KZ | AVCODES |
| 97 | KVS | Kevis | | | ICAO1 |
| 98 | KVSA | KVSA BV | | | SCAC4 |
| 99 | KVSG | KING VAN AND STORAGE COMPANY | | | SCAC3 |
| 100 | KVSN | KVS INC | | | SCAC3 |
