Family name Couvillion (Couvillion 
) , in the entire world, is quite a rare last name. The family name Couvillion is habitual in the United States, where it is a rare surname, Canada, and New Zealand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Couvillion | Canada, New Zealand, United States, Venezuela |
| d. irvin couvillion American judge (b. 1934) |
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| sneha p couvillion researcher ORCID ID = 0000-0003-0307-9343 |
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