Kochanski or Kochański (Polish feminine: Kochańska) is a surname. It may refer to:
Adam Adamandy Kochański (1631–1700), Polish mathematician Grazyna Kochanska, Polish-American developmental psychologist Halik Kochanski (born 1962), British historian of Poland Kristine Kochanski, fictional character from the Red Dwarf TV series Natalia Kochańska (born 1996), Polish sport shooter Mors Kochanski (1940–2019), Canadian bushman and wilderness survival expert Paul Kochanski (1887–1934), Polish violinist (born Paweł Kochański) Prakseda Marcelina Kochańska or Marcella Sembrich (1858–1935), Polish soprano Wladimir Jan Kochanski (1935–2015), American pianists Władysław Kochański (1918–1980), Polish army officer
See also Kochanski multiplication
Korochanski