阿托卡縣 (奧克拉荷馬州)

{{Infobox U.S. county
| state = Oklahoma
| county = Atoka County
| county_zh = 阿托卡縣
| seal =
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| founded =
| named for =
| seat =
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| area_total_km2 = 2,564
| area_total_sq_mi = 990
| area_land_km2 = 2,534
| area_land_sq_mi = 978
| area_water_km2 = 30
| area_water_sq_mi = 12
| area percentage = 1.18%
| census yr = 2000
| census estimate yr =
| pop = 13,879
| population_density_km2 = 2
| population_density_sq_mi = 6
| time zone = Central
| web =
| coordinates = {{coord|{}|0|N|{}|0|W|type:adm2nd|display=title,inline}}
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阿托卡縣（）是美國奧克拉荷馬州南部的一個縣。面積2,564平方公里。根據美國2000年人口普查，共有人口13,879。縣治阿托卡。

成立於1907年7月16日。縣名紀念喬克托人的一名領袖（中經縣治）。