Surname Blough (Blough 
) , globally, is quite a rare family name. The family name Blough is characteristic of the United States, where it is a rare surname, Canada, and New Zealand. In absolute terms, it most frequently occurs in the United States, Canada, and Nigeria.
| VARIANT | COUNTRY |
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| Blough | Canada, France, Nigeria, United States, United Kingdom |
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roger blough American businessman (b. 1904) |
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| glenn o. blough American author and educator, US (b. 1904) |
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| mildred w. blough victim of the COVID-19 pandemic: Sunday school teacher., US (b. 1928) |
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david blough American football player (born 1995), US (b. 1995) |
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| neal blough (b. 1950) |
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| jason r. blough (b. 1967) |
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| michael d blough researcher (ORCID 0000-0002-1151-3552) |
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| christian l blough researcher |
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| neil v blough researcher |
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| bruce e blough researcher (ORCID 0000-0003-3515-0896) |
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| stephen richard blough Ph.D. University of California, Berkeley 1987 |
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| william blough |
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| noah blough |
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