瓦沙契縣

{{Infobox U.S. county
| state = Utah
| county = Wasatch County
| county_zh = 瓦沙契縣
| seal =
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| founded =
| named for = Native American word for mountain pass
| seat =
| largest city =
| largest city wl = Heber
| area_total_km2 = 3,132
| area_total_sq_mi = 1,209
| area_land_km2 = 3,049
| area_land_sq_mi = 1,177
| area_water_km2 = 82
| area_water_sq_mi = 32
| area percentage = 2.63%
| census yr = 2000
| census estimate yr =
| pop = 15,215
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| coordinates = {{coord|{}|0|N|{}|0|W|type:adm2nd|display=title,inline}}
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沃萨奇縣（）是位於美國猶他州中部的一個縣。面積3,132平方公里，根據美國2000年人口普查數字，共有人口15,215人。縣治赫伯（Heber）。

成立於1862年1月17日。縣名來自猶他語，意思是「山口」。