In the world, Avellán (Avellán 
) is an extremely rare unknown gender first name. Predominantly, Avellán is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Avellán | Finland, Sweden, Spain, Ecuador, Costa Rica |
| gaspar archent avellán Spanish writer, ES (b. 1877) |
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| martí gasull i avellán Spanish photographer, ES (b. 1944) |
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Mª, Andrea, Ariana, Arturo, Carlos, Carmen, Blanca, Karina, Raquel, Rocío, Gloria, Lorena, Javier, Joseph, Helena, Xavier, Mayling, Mónica, Stefany, Andrés, Abraham, Karlita, Magaly, Mathew, María, Viivi, Ana, Ami, Alex, Alba, Ciro, Gari, Luis, Jose, Juan, Tony, Rodrigo, Olga, Mirna, Karol, Paula, Pablo, Pekka, Reyes, José, Jorge, Jenni, Erick, Maria, and Richard