Sepp is a surname. When borne by Estonian-descended people, it is usually derived from sepp meaning "smith".
Notable people with this surname include:
The Sepp publishing family, four generations of printers and artists active in Amsterdam between 1768 and 1860 Adeele Sepp, birth name of Adeele Jaago (born 1989), Estonian actress Andre Sepp (born 1971), Estonian politician Anna Maria Sepp (born 1996), Estonian sailor Boris Sepp (1894–1941), Estonian lawyer and politician Dennis Sepp (born 1973), Dutch footballer Evelyn Sepp (born 1972), Estonian sports figure and politician Heino Sepp (1936–2008), Estonian rally driver Heljo Sepp (1922–2015), Estonian Estonian pianist, music teacher Hendrik Sepp (1888–943), Estonian historian Jan Sepp (1778–1853), Dutch entomologist and artist Johan Sepp (1884–1953), Estonian politician Johann Nepomuk Sepp (1816–1909), German historian and politician Jüri Sepp (born 1952), Estonian economist Kalev Sepp, Estonian-American defense analyst Kätlin Sepp (born 1992), Estonian swimmer Kurt Sepp (born 1935), German ice hockey player Leo Sepp (1892–1941), Estonian financial figure, writer and politician Olav Sepp (born 1969), Estonian chess champion Ott Sepp (born 1982), Estonian actor Paul Sepp (1885–1943), Estonian theatre and film director and theatre teacher Sigrid Sepp (born 1998), Estonian swimmer Tõnu Sepp (born 1946), Estonian music teacher Uudo Sepp (born 1997), Estonian singer
See also Seppä, a Finnish surname with the same meaning (smith). Sepp (given name)