Bloss is a surname. Notable people with the surname include:
Bill Bloss (1859–1921), American football coachJohn M. Bloss (1839–1905), American teacherMargaret Varner Bloss (born 1927), retired American athleteNick van Bloss (born 1967), English classical pianistPhil Bloss (born 1953), English former footballerRainer Bloss (1946–2015), German electronic musicianWerner H. Bloss (1930–1995), German scientist in the field of photovoltaics