Family name Lasius (Lasius 
) , globally, is a rare cognomen. The last name Lasius is habitual in Malaysia, where it is a rare surname, Germany, where it is a very rare surname, and France, where it is an extremely rare surname. Much less frequently, Lasius is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Lasius | Tanzania, Malaysia, India, France, Germany |
| christoph lasius German theologian, DE (b. 1504) |
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| hermann jacob lasius DE (b. 1715) |
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| georg sigmund otto lasius DE (b. 1752) |
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georg lasius German architect (1835-1928), DE (b. 1835) |
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| otto lasius DE (b. 1797) |
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| elise lasius (b. 1803) |
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| wilhelm lasius CH (b. 1871) |
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| hedwig lasius |
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| daniel lasius |
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| otto benjamin lasius |
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