華盛頓縣 (科羅拉多州)

{{Infobox U.S. county
| state = Colorado
| county = Washington County
| county_zh = 華盛頓縣
| seal =
| seal size =
| ex image =
| ex image size =
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| founded =
| named for =
| seat =
| largest city =
| largest city wl = 阿克倫
| area_total_km2 = 6,537
| area_total_sq_mi = 2,524
| area_land_km2 = 6,529
| area_land_sq_mi = 2,521
| area_water_km2 = 8
| area_water_sq_mi = 3
| area percentage = 0.12%
| census yr = 2000
| census estimate yr =
| pop = 4,926
| population_density_km2 = 0.66
| population_density_sq_mi = 2
| time zone = Mountain
| web = co.washington.co.us
| coordinates = {{coord|{}|0|N|{}|0|W|type:adm2nd|display=title,inline}}
}}
華盛頓縣（）是美國科羅拉多州東北部的一個縣。面積6,537平方公里。根據美國2000年人口普查，共有人口4,926。縣治阿克倫。

成立於1887年，縣名紀念首任總統喬治·華盛頓。