懷俄明縣 (紐約州)

{{Infobox U.S. county
| state = New York
| county = Wyoming County
| county_zh = 懷俄明郡
| seal =
| seal size =
| ex image =
| ex image size =
| ex image cap =
| founded = 1841年
| named for =
| seat = 沃索村
| largest city =
| largest city wl =
| area_total_km2 = 1,544 km² (596mi²)
| area_total_sq_mi =
| area_land_km2 = 1,534 km² (592 mi²)
| area_land_sq_mi =
| area_water_km2 = 10 km² (4 mi²)
| area_water_sq_mi =
| area percentage = 0.59%
| census yr = 2000
| census estimate yr =
| pop = 43,424
| population_density_km2 = 28
| population_density_sq_mi =
| time zone =
| web = www.wyomingco.net
| coordinates = {{coord|{}|0|N|{}|0|W|type:adm2nd|display=title,inline}}
}}

懷俄明縣（）是美國紐約州西部的一個縣。面積1,544平方公里。根據美國2000年人口普查，共有人口43,424。縣治沃索村。

成立於1841年。縣名來自萊納佩語，意思是「平原寬廣」。