Samuel Lasz (18 December 1859, Szergeny – 8 June 1930, Budapest) was a Hungarian scientist.
In 1882 he received an appointment at the state meteorological institute, where he researched climatology, zoology, and geology.
Lasz published the following works: A Vulkánizmuszról (Budapest, 1883), on volcanism; Szövő-Fonómesterek (ib.
1885, awarded a prize), on master-spiders; Egy Átkos Kis Légyről (ib.
1894, awarded a prize), on flies; and Lebens- und Charakterbild des Dr. Ludwig Lewis (ib.