Surname Swanigan (Swanigan 
) , in all the world, is quite a rare cognomen. The family name Swanigan is characteristic of the United States, where it is a rare surname, New Zealand, where it is a very rare surname, and Canada. Not in comparison with a country's population, the name is most common in the United States, Canada, and the United Kingdom.
| VARIANT | COUNTRY |
|---|---|
| Swanigan | United Kingdom, New Zealand, United States, Canada |
|
caleb swanigan American basketball player (1997–2022), US (b. 1997) |
|
| ellious swanigan college basketball player (1997–1999) Charlotte; Middle Tennessee |
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