Karłowicz is a gender-neutral Polish surname that may refer to the following notable people:
Dariusz Karłowicz (born 1964), Polish philosopher, university lecturer, columnist, and a book publisher Jan Karłowicz (1836–1903), ethnographer, musicologist, composer, linguist, folklorist, lexicographer, dialectologist, one of the first Lithuanianists Mieczysław Karłowicz (1876–1909), Polish composer and conductor Mieczysław Karłowicz (cyclist) (born 1963), Polish cyclist
See also
Karlovich, Russian-language equivalent Karlović, Croatian surname