Globally, Blough (Blough 
) is a very rare gender-neutral forename. The forename Blough is characteristic of Sub-Saharan Africa, particularly Nigeria, where it is an extremely rare epicene name. Predominantly, Blough is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Blough | United Kingdom, France, United States, Nigeria, Canada |
| carman george blough American accounting scholar (1895-1981) (b. 1895) |
|
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| roy blough (b. 1901) |
|