Kostelecky
Kostelecky or Kostelecký is the family name of the following people:
- Alan Kostelecky , American physicist
- Alfred Kostelecky (1920–1994), Austrian military bishop
- David Kostelecký (* 1975), Czech sports shooter
- Josef Kostelecky (1914–1997), Austrian politician (SPÖ)
- Vincenz Franz Kostelecky (1801-1887), Bohemian botanist
