Kostecki

Kostecki (feminine: Kostecka; plural: Kosteccy) is a Polish surname. It may refer to:
 * Brodie Kostecki (born 1997), Australian racing driver
 * Dawid Kostecki (1981–2019), Polish boxer
 * Jake Kostecki (born 2000), Australian racing driver
 * Joanna Sakowicz-Kostecka (born 1984), Polish tennis player
 * John Kostecki (born 1964), American sailor
 * Józef Kostecki (1922–1980), Polish actor
 * Kurt Kostecki (born 1998), Australian racing driver
 * Nepomucena Kostecka (1807–1847), Polish actress
 * Robert Kostecki (born 1969), Polish wrestler