Family name Lainz (Lainz 
, Лайнс 
) , worldwide, is a rare surname. The last name Lainz is habitual in Spain, where it is a rare surname, Kyrgyzstan, where it is a very rare surname, and Argentina. Not in comparison with a country's population, it is the most numerous in Spain, Mexico, and Argentina. Likewise, Lainz is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Lainz | Spain, Mexico, Argentina, France, New Zealand |
| Лайнс | Kyrgyzstan, Ukraine |
| francisco lainz Spanish politician (1924-2002), ES (b. 1924) |
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| jose de la hoz lainz Spanish politician, ES (b. 1953) |
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