This is a list of the properties and districts listed on the National Register of Historic Places listings in Onondaga County, New York. The locations of National Register properties and districts (at least for all showing latitude and longitude coordinates below) may be seen in a map by clicking on "Map of all coordinates". There are 174 properties and districts listed on the National Register in the county. Of those, 55 are outside Syracuse, and are listed here, while the rest are covered in National Register of Historic Places listings in Syracuse, New York. One property, the New York State Barge Canal, spans the city and the remainder of the county.
See main article: National Register of Historic Places listings in Syracuse, New York.
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