N66 may refer to:
Roads
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N66 road (Ireland)
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Calamba–Pagsanjan Road, in the Philippines
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Nebraska Highway 66
Nebraska Highway 66 is a highway in central and eastern Nebraska. It is a discontinuous highway with four segments heading in a west-to-east direction. The first segment begins at Nebraska Highway 14 south of Central City and ends at U.S. Highway ...
, in the United States
Other uses
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N66 (Long Island bus)
* , a submarine of the Royal Navy
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Oneonta Municipal Airport, in Otsego County, New York, United States
See also
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66N (disambiguation)
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