OKB (disambiguation)

OKB is a transliteration of the Russian initials of "опытно-конструкторское бюро".

OKB may also refer to:


 * okb, the ISO 639-3 code for Okobo language
 * Oceanside Municipal Airport, the FAA LID code OKB
 * Ostkustbanan, a 402-kilometre (250 mi) long mainline railway in Sweden