English abbreviations from kaj to kat
- KAJ (Kajaani Airport)
- KAK (Kar Airport)
- kal (Kalaallisut language (ISO 639-2 code))
- Kal. (Kalendae ("Calends"))
- KAL 007 (Airliner shot down by the Russians in 1983)
- Kalash (Kalashnikov (Russian Rifle))
- KAM (Kamaran Airport)
- kan (Kannada language (ISO 639-2 code))
- KANK (Kabhi Alvida Na Kehna)
- KANUKOKA (Kalaallit Nunaanni Kommunit Kattuffiannit (Kalaallisut, "Greenlandic Communities Association"))
- KAO (Kuusamo Airport)
- KAP (Kapanga Airport)
- KAPP (Key Assets Protection Program)
- KAQ (Kansas Art Quilters)
- KAQ-1 (Kawasaki remotely piloted vehicle)
- KAR (Kamarang Airport)
- KARC (Kadoorie Agricultural Research Center)
- KARE (Kinship Adoption Resource Education)
- KAREN (Keystone Architecture Required For European Networks)
- KARM (Knox Area Rescue Ministries, Knoxville, Tennessee)
- KARMA (Kids, Art, Reading, Music, Activities)
- KARNAC (Knowledge Aided Retrieval in Activity Context)
- KARR (Knight Automated Roving Robot (Knight Rider character))
- KARS (Kids Are Riding Safe)
- kas (Kashmiri language (ISO 639-2 code))
- KASFAA (Kansas Association Of Student Financial Aid Administrators)
- KASM (Kestrel Assembly Language)
- kat (Georgian language (ISO 639-2 code))
