NKK is an abbreviation and may refer to:
*
NKK switches
(formerly Nihon Kaiheiki Kogyo Co., Ltd.) is a designer and manufacturer of diversified industrial operational switches. The company offers illuminated, process sealed, miniature, specialty, surface mount and LCD programmable switches. The compa ...
(NKK SWITCHES CO., LTD.)
*
JFE Holdings, Inc., a corporation formed in 2002 with the merger of NKK (Nippon Kokan, unrelated to Nihon Kaiheiki) and Kawasaki Steel Corporation.
*
Nordisk Kemiteknolog Konferens
The Nordisk Kemiteknolog Konferens (English: Conference for Nordic Students of Applied Chemistry) is a conference with the goal of letting students of applied chemistry collaborate with colleagues in the Nordic countries.
NKK was first thought o ...
, an annual conference for engineering students from the four Nordic countries: Denmark, Finland, Norway and Sweden.
*
Norrköpings KK, a Swedish swim team.
*Nippon Kinkyori Airways, now
Air Nippon
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