Family name Omerza (Omerza 
) , in the entire world, is a rare last name. The cognomen Omerza is habitual in Slovenia, where it is quite a rare surname, Croatia, where it is a rare surname, and the United States, where it is a very rare surname. Much less frequently, Omerza is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Omerza | Slovenia, United States, Nigeria, Croatia |
| mihael omerza SI (b. 1679) |
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| franc omerza SI (b. 1885) |
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igor omerza Slovene economist, SI (b. 1950) |
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| damijan omerza SI (b. 1977) |
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Mr, Sandy, Salau, Sonja, Allan, Abbey, Carol, Betty, Bryan, Kerry, Keith, Kevin, David, Davor, Diane, Linda, James, Jason, Julie, Tammy, Nancy, Nikki, Matic, Emily, Mandi, Will, Ana, Ann, Bob, Ken, Dan, Jay, Tom, Eva, Mary, Alen, Anja, Abby, Kory, Paul, Gary, Lana, John, Judy, Jill, Eric, Ivan, Wolf, and Heidi