In the world, Fatsi (Fatsi 
) is a very rare epicene forename. More frequently, Fatsi is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Fatsi | Morocco, Turkey, Greece, South Africa, United States |
Fatsı, Fați, Fațî, Fațï, Fațį, Fàți, Fàțí, Fàțî, Fàțï, Fáți, Fáțì, Fáțí, Fáțî, Fáțï, Fáțį, Fâți, Fâțì, Fâțí, Fâțî, Fâțï, Fâțī, Fâțį, Fãți, Fãțì, Fãțí, Fãțî, Fãțï, Fãțī, Fãțį, Fāți, Fāțí, Fāțî, Fāțï, Fāțī, Fāțį, Făți, Fățì, Fățí, Fățî, Fățï, Fățī, Fățį, Fąțį, Fặțí, 发齐, and 法齐
Ann, Fotini, Michael, Micheal, Ariadne, Patrick, Rentian, Dimitra, Timothy, Evgenia, Thomas, Şebnem, Stamatia, Katerina, Kalliopi, Vasiliki, Alexandra, Anastasia, Evangelia, Marguerite, Aikaterini, Michelle, Eleftheria, Gokhan, Amelia, Jim, Tom, Tim, Eva, Mary, Nana, Noah, Maria, Sofia, Kelsey, Cindy, James, Tonia, Terri, Elias, Eleni, Elpis, Feyza, Marina, Malika, Polly, and Ahmet Tanju