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.
People of this name include:
More individuals of this name are found on the German wikipedia
Hassler can also refer to:
Also, a hassler can refer to some types of oscillating patterns in Conway's Game of Life.