KT
- AirAsia Cambodia
- Allowed to keep terms
- Antonov A-40
- Birgenair
- Carat (purity)
- Christmas Island
- Cretaceous–Paleogene extinction event
- Jerzy Toeplitz
- K. T. McFarland
- K. T. Oslin
- K.T. Sankaran
- KT (film)
- KT 3
- KT Corporation
- KT Manu Musliar
- KT Sullivan
- KT Tunstall
- KT postcode area
- Kaituozhe (rocket family)
- Kardashev scale
- Karlstads-Tidningen
- Kastoria
- Kataller Toyama
- Kate Bush
- Kati (disambiguation)
- Katie
- Katy (disambiguation)
- Katy, Texas
- Kennitala
- Kensington Temple
- Kilotesla
- Kiloton
- King Tiger
- Kitzingen
- Klippel–Trénaunay syndrome
- Knight (chess)
- Knight Bachelor
- Knight Templar
- Knight of the Thistle
- Knot (unit)
- Knowledge transfer
- Koei Tecmo
- Kosterlitz–Thouless transition
- Kotlin (programming language)
- Kuala Terengganu
- Kutina
- K–Pg boundary
- Tarnów