Hassler

Hassler (also Haßler, Häßler, Hässler, Hasler, ...) is a toponymic surname derived from a number of places called Hasel or Hassel in German-speaking parts of Europe.

Notable people with this name include:

Musicians

 * A musical dynasty in Nuremberg
 * Isaak Hassler (c.1530 – 1591), organist and father of three brothers:
 * Kasper Hassler (1562–1618), minor composer and publisher
 * Hans Leo Hassler (1564–1612), an important German composer and organist
 * Jakob Hassler (1569–1622), composer most noted for his keyboard works
 * Johann Wilhelm Hässler (1747–1822), German organist and composer

Athletes

 * Nicole Hassler (1941–1996), French figure skater
 * Des Hasler (b. 1961), Australian rugby league footballer and coach
 * Thomas Häßler (b. 1966), former German football player and 1990 World Cup winner
 * Dominic Hassler (b. 1981), Austrian football player

Other professions

 * Johann Hasler (b. 1548, died after 1602), Swiss theologian and physician
 * Ferdinand Rudolph Hassler (1770–1845), first US Coast Survey superintendent
 * Friday Hassler (1935–1972), American NASCAR driver
 * Hassler Whitney (1907–1989), American mathematician
 * Herbert "Blondie" Hasler (1914–1987), British Marines officer and later a noted single-handed sailor
 * Rolf Hassler (1914–1984), German neurobiologist
 * Eveline Hasler (b. 1933), Swiss writer
 * Jon Hassler (1933–2008) American novelist for whom is named the Jon Hassler Theater in Plainview, Minnesota
 * Marie Hasler (b. 1948), New Zealand politician
 * Harry Hasler, fictional alter ego of Viktor Giacobbo, one of his most popular satirical figures
 * Otmar Hasler (b. 1953), Prime Minister of Liechtenstein
 * Uwe Hassler (b. 1963), German professor of statistics and econometrics
 * John Hasler (b. 1974), English actor
 * Irací Hassler (b. 1990), Chilean politician and economist