English abbreviations from k to ka
- k(Kilo-)
- K.(Kalendas ("Calends"); or Care, Carus, Cara ("Dear One"); or Carissimus[a] ("Dearest"))
- K/DOQI(Kidney Disease Outcomes Quality Initiative)
- K/Pg(Cretaceous/Paleogene Boundary)
- K&R(Kernighan and Ritchie)
- K/T(Cretaceous/Tertiary Boundary)
- K-12(Kindergarten-Twelfth Grade)
- K12(Kindergarten through 12th Grade)
- K2B(Keswick to Barrow Walk)
- K-5(Kindergarten-Fifth Grade)
- K6(microprocessor by AMD (1997))
- K7(Cassette)
- K9(Canine Police Unit)
- ka(Georgian language (ISO 639-1 code))
