Around the globe, Herculanus (Herculanus 
) is a very rare male forename. The forename Herculanus is characteristic of South-eastern Asia, particularly Indonesia, where it is a very rare masculine name.
| VARIANT | COUNTRY |
|---|---|
| Herculanus | India, Indonesia, South Africa |
| herculanus of porto Christian martyr and saint (b. 200) |
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| bassus herculanus politician (b. 450) |
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| herculanus of piegaro 15th century Italian saint, IT (b. 1390) |
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| herculanus joannes maria van der burgt Roman Catholic archbishop (b. 1910) |
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herculanus of brescia 6th century saint and Bishop of Brescia |
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| herculanus joannes maria van der burgt archbishop of Pontianak from January 3, 1961 until July 2, 1976 |
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