K
K commonly denotes the chemical element potassium, while in sports it serves as shorthand for kicks, kickers, or karate moves.
Medical
Miscellaneous
Kurt
Kerotin
Kenna
Kelly
King
Konspiracy
Kathleen
The Keshas
Kookazoid
Kay
Kosher
Krazy
The Katoomba
Kvetch
Kerry
Kat
Kirk
Kraft
Kurtz
Karel
Kelang
Kenshin
Kuality
Kenneth
Kevin
Community
Governmental
International
Academic & Science
Killed
Permeability factor
Potassium
Boltzmann Constant
the Kth item
Cathode
Kreosote
Kelvin
Electromechanical Relay
Regional
Computing
Internet
Business
Kresge (later K-mart, KMRT, formerly KM and KMRTQ) de-listed
Kaiser
Thousands of ...
Kopkit
Knit
Know
Kellogg Company