| BK | Baby Kitten 
| Others |
| BK | Bacille de Koch
| Others |
| BK | Bad Kid
| Others |
| BK | Bad Kitty
| Others |
| BK | BaKiniz
| Others |
| BK | Bakra Road Railway Station
| Others |
| BK | Bangkok
| Others |
| BK | Bangkok, Thailand
| Others |
| BK | Bangkong Kahoy
| Others |
| BK | Banjo-Kazooie
| Others |
| BK | Bankruptcy
| Others |
| BK | Barak Khazad
| Others |
| BK | Barely Known
| Others |
| BK | Barn Kitty
| Others |
| BK | Baumann Krauss
| Others |
| BK | Be Kiram
| Others |
| BK | Beatuy Korea
| Others |
| BK | Beauty Korea
| Others |
| BK | Bedded Kimberlite
| Others |
| BK | Before Kindling
| Others |
| BK | Below Knee
| Others |
| BK | Below knee (transtibial)
| Others |
| BK | Below the Knee
| Others |
| BK | Ben Keen
| Others |
| BK | Ben Kweller
| Others |
| BK | Benjamin and Kariela
| Others |
| BK | Berkelium
| Element |
| BK | Bert Kammerer
| Others |
| BK | Big Kitty
| Others |
| BK | Big Potassium
| Others |
| BK | Bilal Karim
| Others |
| BK | Bill Kingsbury
| Others |
| BK | Billi Kid
| Others |
| BK | Binding Key
| Others |
| BK | Birthday Kitty
| Others |
| BK | Bishop Kelly
| Others |
| BK | Black Kat
| Others |
| BK | Black Kaufen
| Others |
| BK | Black Khaki
| Others |
| BK | Black Kid
| Others |
| BK | Black King
| Others |
| BK | Black Kitty
| Others |
| BK | Black Knight
| Others |
| BK | Black Knights
| Others |
| BK | Black Korean
| Others |
| BK | Black Kyle
| Others |
| BK | Blaw/ Knox freestanding tower
| Others |
| BK | Bleached Kraft
| Others |
| BK | Blood Kill
| Others |
| BK | Blood Killa
| Others |
| BK | Blood Killer
| Others |
| BK | Blue Knight
| Others |
| BK | Blue Koon
| Others |
| BK | Blue Krome
| Others |
| BK | Bob Kasper, knife manufacturer
| Others |
| BK | Bobby Knight
| Others |
| BK | Boiuno Kraguyevac
| Others |
| BK | Boo King
| Others |
| BK | Booger King
| Others |
| BK | Boogie Knight
| Others |
| BK | BooK
| Others |
| BK | Bot kill
| Others |
| BK | Brad Kennard
| Others |
| BK | Brad Key
| Others |
| BK | Bradley Kane
| Others |
| BK | Brahma Kumaris
| Others |
| BK | Brake
| Others |
| BK | Brendon Keys
| Others |
| BK | Brian Kinney
| Others |
| BK | Brian Kinwald
| Others |
| BK | Brick Kasi
| Others |
| BK | Bright King
| Others |
| BK | British Knights
| Others |
| BK | Brooklyn
| Others |
| BK | Brother's Keeper
| Others |
| BK | Bryanskii Komsomolets
| Others |
| BK | Buff Kirbyeong
| Others |
| BK | Building Knowledge
| Others |
| BK | Bundeskriminalamt
| Others |
| BK | Burds & Kuntz, P.C.
| Others |
| BK | Burger King
| Others |
| BK | Burster's Knights
| Others |
| BK | Busters Kitty
| Others |
| BK | Faxbook (JetFax)
| Others |
| BK | Kosovo
| Others |
| BK | Okay Airways
| Others |
| BK! | Document backup (WordPerfect for Win)
| Others |