Last name Lassak (Lassak 
) , throughout the world, is quite a rare family name. The surname Lassak is characteristic of Slovakia, where it is quite a rare surname, Germany, where it is a rare surname, and Poland. Also, Lassak is the forename as well as the last name.
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| Lassak | Germany, Indonesia, United States, Poland, Slovakia |
| marek lassak Polish mathematician, PL (b. 1948) |
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| franz lassak (born 1950) (b. 1950) |
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| jürgen lassak researcher |
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| olga lassak (born 1980) (b. 1980) |
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| maria pia lassak (born 1985) (b. 1985) |
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| sandra lassak DE (b. 1975) |
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| jörg lassak |
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| josef lassak |
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| marek lassak |
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| andrea lassak DE (b. 1982) |
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| beata lassak Polish biathlete, PL (b. 1994) |
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