Jakubowski, Yakubovsky, Yakubovskiy, Yakubovskii or Iakubovskii is a Slavic masculine surname of Polish origin. Its feminine counterpart is Jakubowska, Yakubovskaya or Iakubovskaia. It is a toponymic surname derived from any of the places named Jakubowo, Jakubów, Jakubowice and literally meaning "of Jakubowo", etc. The places themselves mean "belonging to Jakub".
