Surname Ortman (Ortman 
, Ортман 
) , in the world, is quite a rare cognomen. The cognomen Ortman is habitual in Namibia, where it is quite a rare surname, Sweden, where it is a rare surname, and Kazakhstan. Measured by absolute frequency, it is commonest in the United States, Argentina, and Kazakhstan. Much less frequently, Ortman is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ortman | Canada, Argentina, Poland, United States, Namibia |
| Ортман | Ukraine, Kazakhstan, Belarus, Russia, Kyrgyzstan |
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maria ortman Swedish translator and writer, SE (b. 1939) |
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| otto rudolph ortmann US (b. 1889) |
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julianne ortman American politician, US (b. 1962) |
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| herbert w. ortman American politician, US (b. 1916) |
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| george ortman American artist (1926-2015), US (b. 1926) |
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| len ortman CA (b. 1926) |
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| peter ortman Swedish writer, SE (b. 1939) |
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| františek ortman Czechoslovak sprinter, CZ (b. 1942) |
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| lisa berg ortman Swedish writer and journalist, SE (b. 1943) |
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| jaroslav ortman Czech member of Czech Parliament (1992–1996), member of Czech National Council and attorney, CZ (b. 1952) |
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| scott g ortman researcher |
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| laura ortman US (b. 1973) |
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