Kloss is a German surname. Some individuals with the surname include:
Cecil Boden Kloss (1877–1949), English zoologistDorothy Kloss (born 1923), Americal dancerEric Kloss (born 1949, American jazz saxophonistGeorg Kloss, (Georg Franz Burkhard Kloss, 1787–1854), German historian and early researcher in the history of freemasonryHans Kloss (artist) (born 1938), German painter and graphic artistHans Kloss (bank manager) (1905–1986), Austrian bank manager and lawyerHans Kloss (fictional character), a fictional World War II secret agent from the television series Stawka większa niż życieHeinz Kloss (1904–1987), German sociolinguistHenry Kloss (1929–2002), American audio engineer and entrepreneurIlana Kloss (born 1956), tennis playerKarlie Kloss (born 1992), American fashion modelRieger–Kloss, pipe organ manufacturing company