Ossowski (feminine: Ossowska; plural: Ossowscy) or Osowski or Osovski or Osovskiy (feminine: Osowska or Osovskaya; plural: Osowscy) is the surname of several aristocratic families of Poland. It may refer to:
Alexander Ossovsky (1871–1957), Russian composer and musicologist
Arkadiusz Ossowski (born 1996), Polish handball player
Douglas Osowski (born 1969), American voice actor and writer