Surname Onnagan (Onnagan 
) , around the globe, is a rare family name. The family name Onnagan is characteristic of Philippines, where it is a rare surname, Singapore, and Saudi Arabia, where it is a very rare surname. Not in comparison with a country's population, this name is the most popular in Philippines, Saudi Arabia, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Onnagan | Philippines, Saudi Arabia, Singapore, United States |
Gil, Jamie, Joann, Jerry, Julia, Norma, Noemi, Elena, Vilma, Marlet, Maybel, Mylene, Shaina, Shelly, Simona, Simeon, Andrea, Amante, Aurora, Cristy, Brazel, Rommel, Lorna, Lilia, Larry, Diana, Mark, Sean, Dave, Lady, Lean, Leah, Joan, Juan, Jian, Eric, Romulo, Zeny, Sammy, Sixto, Sonny, Arnel, Celia, Romeo, Rolly, Regie, Ruben, Danny, Maria, and Ronald