Globally, Onday (Onday 
) is a rare largely male, but seldom feminine first name. The given name Onday is characteristic of Philippines, where it is a rare mostly masculine, but uncommonly girly name, and Nigeria, where it is an extremely rare boy's name. Much more prevalently, Onday is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Onday | Saudi Arabia, Philippines, Nigeria, United States, Democratic Republic of the Congo |
Mr, Trov, Nico, Edna, Iryn, Orli, Olga, Manan, Mateo, Malik, Medri, Mimie, Alvie, Andre, Arove, Arlyn, Amiel, Airen, Aytag, Chona, Camar, Cesar, Toni, Judy, Juan, Jean, Ali, Boy, Rey, Rex, Leo, Mary, Sara, Suat, Alex, Amin, Cleme, Aiza, Rina, Risa, Ruth, Gina, Lina, Lily, Jade, Jose, John, Jeno, Roel, and Berat