Throughout the world, Boulahcen (Boulahcen 
) is an extremely rare unknown gender first name. Much more frequently, Boulahcen is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Boulahcen | Belgium, Morocco, Spain, France, United States |
El, Hamid, Hamza, Habib, Insaf, Malika, Mohmad, Mouhcen, Miriam, Mhamed, Brahim, Khalid, Khalil, Rachid, Lahsen, Lahcen, Jamila, Hassan, Hessan, Fatima, Ismail, Yassin, Najat, Driss, Razan, Kamal, Med, Ali, Aya, Said, Simo, Amal, Aziz, Reda, Rida, Hind, Monssef, Omar, Salah, Sarah, Saida, Simou, Souad, Abdou, Amine, Ahmed, Aatif, Karim, Mehdi, and Mohamed