Surname Olrich (Olrich 
) , throughout the world, is a rare last name. The cognomen Olrich is characteristic of Australia, where it is a rare surname, New Zealand, and the United States, where it is a very rare surname. In absolute terms, it is the most numerous in the United States, Australia, and Brazil. Also, Olrich is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Olrich | Brazil, Haiti, United States, France, Australia |
| april olrich actor, GB (b. 1931) |
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| tómas ingi olrich Icelandic politician, IS (b. 1943) |
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| frank olrich college basketball player (1963–1963) Stanford |
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| olrich valin Haitian artist, HT |
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