Cognomen Oppa (Oppa 
) , around the world, is a common surname. The last name Oppa is characteristic of Myanmar, where it is quite a common surname, the Democratic Republic of the Congo, where it is quite a rare surname, and Hong Kong, where it is a rare surname. Not in comparison with a country's population, the name is most common in Myanmar, the Democratic Republic of the Congo, and Indonesia. More frequently, Oppa is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Oppa | Indonesia, Egypt, Malaysia, Myanmar, Democratic Republic of the Congo |
Oppà, Oppá, Oppâ, Oppã, Oppā, Oppă, Oṗṗa, Òppa, Òppà, Òppá, Òppâ, Òppã, Òppă, Óppa, Óppà, Óppá, Óppâ, Óppã, Óppă, Ôppa, Ôppà, Ôppá, Ôppâ, Ôppã, Ôppă, Ôppą, Õppa, Õppà, Õppá, Õppâ, Õppã, Õppă, Õppą, Ōppa, Ōppá, Ōppâ, Ōppã, Ōppă, Ōppą, Ŏppâ, Ŏppă, Őppa, Őppà, Őppá, Őppâ, Őppã, Őppă, Őppą, Őppǻ, Ơppă, Ǒppǎ, Ǿppa, Ǿppá, Ǿppā, Ǿppă, Ǿppą, Ǿppǻ, Оппа, Ọppa, and Ộppa
| karel oppa (b. 1902) |
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| miloslav oppa (b. 1989) |
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Ko, Kyaw, Phyo, Pyae, Love, Esmy, Hein, Htet, Htoo, Yint, Xtet, Shine, Store, Smile, Kaung, Khant, Paing, Thant, Thiha, Thura, Naing, Lamana, King, Gangnam, Koko, Aung, Fa, Oo, Ya, Ye, Min, Myo, San, Sai, Soe, Gyi, Lay, Lin, Thu, Tun, Nik, Yan, Zaw, Zin, Myat, Sone, Asmy, Chan, and Nseet Esmy