Cognomen Bigaj (Bigaj 
) , globally, is quite a rare surname. The cognomen Bigaj is characteristic of Poland, where it is quite a rare surname, Israel, where it is a rare surname, and Belgium. Not in comparison with a country's population, it is commonest in Poland, the United States, and Israel. Also, Bigaj is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Bigaj | Germany, Belgium, United States, Poland, Israel |
|
sylwester bigaj PL (b. 1959) |
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| tomasz bigaj researcher, PL (b. 1964) |
|
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| magdalena bigaj researcher |
|
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| monika m bigaj researcher |
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| beata bigaj PL (b. 1972) |
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