Throughout the world, Giakoumatos (Giakoumatos 
) is a very rare male forename. The first name Giakoumatos is habitual in Eastern Asia, particularly China, where it is an extremely rare male name. Predominantly, Giakoumatos is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Giakoumatos | Australia, Canada, Greece, China, United States |
Mr, Kostas, Kosmas, Ronnie, George, Thomas, Victor, Matthew, Alivizis, Andreas, Angelos, Argiris, Rosanna, Rebecca, Demetri, Gregory, Lemonia, Theresa, Ioannis, William, Stefanos, Spyridon, Costas, Angela, Spyros, Stella, Mary, Mike, Anna, Nick, Emma, Maria, Makis, Angie, Agnes, Cathy, Christos, Becky, Gerry, Lefty, Loula, Jerry, Nikos, Helen, Fotis, Ilias, Sandra, Sophia, Peter, and Georgios