普拉特縣 (內布拉斯加州)

{{Infobox U.S. county
| state = Nebraska
| county = Platte County
| county_zh = 普拉特縣
| seal =
| seal size =
| ex image =
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| founded = Information needed
| named for =
| seat = Columbus
| largest city =
| largest city wl =
| area_total_km2 = 1,785 km² (689 mi²)
| area_total_sq_mi =
| area_land_km2 = 1,756 km² (678 mi²)
| area_land_sq_mi =
| area_water_km2 = 29 km² (11 mi²)
| area_water_sq_mi =
| area percentage = 1.60%
| census yr = 2000
| census estimate yr =
| pop = 31,662
| population_density_km2 = 18
| population_density_sq_mi =
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| web = www.co.platte.ne.us
| coordinates = {{coord|{}|0|N|{}|0|W|type:adm2nd|display=title,inline}}
}}
普拉特县（）是美國內布拉斯加州東部的一個縣。面積1,785平方公里。根據美國2000年人口普查，共有人口31,662人。縣治哥倫布（Columbus）。

成立於1855年，以在南界流過的普拉特河命名。