Ivanović (Serbian Cyrillic: Ивановић, pronounced [ǐʋanoʋitɕ]), Ivanovych or Ivanovich (Russian: Иванович and Ukrainian: Іванович; also transliterated as Ivanovitch) is a surname, a patronymic derived from Ivan. It is a Slavic equivalent of Johnson. It is a common surname in Bosnia and Herzegovina, Croatia, Montenegro, and Serbia. It may refer to the following notable people: Ana Ivanovic (born 1987), Serbian tennis player. Andrei Ivanovitch (born 1968), Romanian pianist. Cristoforo Ivanovich (1620–1689), music historian, poet, librettist.
https://en.wikipedia.org/wiki/Ivanovi%C4%87