亞歷山大縣 (北卡羅萊納州)

{{Infobox U.S. county
| state = North Carolina
| county = Alexander County
| county_zh = 亞歷山大縣
| seal = County Seal.jpg
| seal size =
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| ex image size =
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| founded = 1847
| named for =
| seat = Taylorsville
| largest city =
| largest city wl =
| area_total_km2 = 682 km² (263 mi²)
| area_total_sq_mi =
| area_land_km2 =
| area_land_sq_mi =
| area_water_km2 = 8 km² (3 mi²)
| area_water_sq_mi =
| area percentage = 1.12%
| census yr = 2000
| census estimate yr =
| pop = 33,603
| population_density_km2 = 50
| population_density_sq_mi =
| time zone =
| web = www.co.alexander.nc.us
| coordinates = {{coord|{}|0|N|{}|0|W|type:adm2nd|display=title,inline}}
}}
亞歷山大縣（）是位於美國北卡羅萊納州西部的一個縣。面積682平方公里。根據美國2000年人口普查，共有人口33,603人。縣治泰勒斯維爾 (Taylorsville)。

成立於1847年。縣名紀念殖民地時期的一個家族。