K173 or K-173 may refer to:
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K-173 (Kansas highway)
The Kansas state highway system includes and has included many state highway spurs that connect through highways with places that are not along a through highway. The Kansas Department of Transportation and its predecessor agencies have establis ...
, a state highway in Kansas
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Russian submarine Krasnoyarsk (K-173)
Russian submarine K-173 ''Krasnoyarsk'' was an which was commissioned on 31 December 1986,Podvodnye Lodki, Yu. V. Apalkov, Saint Petersburg, 2002, . and entered service with the Russian Navy. ''Krasnoyarsk'' has been removed from active servi ...
, a Russian submarine
{{Letter-Number Combination Disambiguation