Surname Otahal (Otahal 
) , across the world, is quite a rare family name. The family name Otahal is habitual in Czechia, where it is quite a rare surname, Slovakia, and Austria.
| VARIANT | COUNTRY |
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| Otahal | Austria, Germany, Slovakia, Czechia, United States |
| alois otahal Czechoslovak painter, CZ (b. 1871) |
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| antonín otahal CZ (b. 1864) |
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| jaroslav otahal (b. 1909) |
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| josef otahal (b. 1926) |
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| hannes otahal Austrian pianist, AT (b. 1960) |
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| petr otahal researcher (ORCID 0000-0001-7291-001X) |
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| alexander otahal researcher (ORCID 0000-0003-3705-0039) |
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| petr otahal researcher (ORCID 0000-0003-4042-1769) |
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| martin otahal Czech association football player, CZ (b. 1996) |
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Mr, Scott, Chris, Carol, Karin, Kathy, Kayla, Klaus, Pavel, Roman, Olaf, Roger, Della, David, Gerry, Lemka, Linda, Jason, Jakub, Joyce, Jerry, Royce, Tomas, Fede, Todd, Jan, Joe, Jim, Ivo, Mary, Maro, Ales, Cara, Kari, Nada, Petr, Danl, Gaye, Lois, John, Joan, Jeri, Jiri, Jill, Jiã, Rita, and Tyler