•
Christian Koss (born 1998), American baseball player •
Eugenia Koss (1806–1849), Polish ballet dancer •
Gaby Koss (born 1978), German soprano •
Helen L. Koss (1922–2008), American politician •
Ilse Reichel-Koß (1925-1993), German politician •
Irene Koss (1928-1996), German actress •
Jan von Koss (born 1945), Norwegian fencer •
Johann Olav Koss, Norwegian skater •
John Koss (1895–1925), a Norwegian boxer •
Koss, Japanese musician
Kuniyuki Takahashi •
Leopold Koss (1920–2012), American physician •
Mary P. Koss, American professor in gender-based violence •
Mathieu Koss (born 1990), French DJ, record producer and composer •
Matthew Koss (born 1961), American physicist •
Milly Koss (Adele Mildred Koss; died 2012), full name Adele Mildred Koss, Us pioneer programmer •
Stephen Koss (1940–1984), American historian ==Other uses==