K25 or K-25 may refer to: * K-25, a Manhattan Project uranium enrichment facility in Oak Ridge, Tennessee * K-25 (Kansas highway) * .k25, a raw image file format * HMS Azalea (K25), a British Royal Navy ship * K25, a grant awarded by the National Institutes of Health * K-25, a Soviet copy of the AIM-7 Sparrow air-to-air missile This disambiguation page lists articles associated with the same title formed as a letter-number combination. If an internal link led you here, you may wish to change the link to point directly to the intended article.