Knauth is a surname. Notable people with the surname include:
Felix Knauth (1895–1993), American writer and business executive Geoffrey Knauth, American free software programmer Michael Knauth (born 1965), American field hockey player Oswald Knauth (1887–1962), American economist and business executive Theodore Knauth (1885–1962), American investment banker, journalist and government official Victor Knauth (1895–1977), American journalist, publisher, and broadcasting executive Alix Deborah Knauth (1966- ), American residential designer Henry Martin Knauth (1889–1929), German-American athlete, businessman, and officer. Henry Martin Knauth (1922–2005), German-American Marine Corp Captain and Faulk Executive. Stephen Craig Knauth (1950– ), German-American poet and writer.