K149 or K-149 may refer to:
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K-149 (Kansas highway)
K-149 is a north–south state highway in the U.S. state of Kansas. Entirely within rural Morris County, K-149's southern terminus is at U.S. Route 56 (US-56) east of Herington and the northern terminus is at K-4 south of White City. The hi ...
, a state highway in Kansas
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HMCS Brandon (K149), a former Canadian Navy ship
{{Letter-Number Combination Disambiguation