Mossberg and Mosberg are surnames. Notable people with the surname include:
Assar Mossberg (fl. 1930s), Swedish footballer Bo Mossberg (contemporary), Swedish author and illustrator of Den nya nordiska floran Daniel Mossberg (born 1981), Swedish professional bandy midfielder Edward Mosberg (1926–2022), Polish-American Holocaust survivor, educator, and philanthropist Fredrik Mossberg (1874–1950), Swedish sports shooter Irving Mosberg (1908–1973), American politician and judge Joel Mossberg (1870–1943), Swedish-American singer Mathew Mossburg (born 1967), American business owner and former legislator in Maryland Samuel Mosberg (1896–1967), American professional boxer Thomas W. Mossberg (born 1951), American physicist Walter Mossberg (born 1947), American journalist, well-known as a Wall Street Journal columnist
See also Moosberg, a hill in Lower Saxony, Germany Herman T. Mossberg Residence, a house in South Bend, Indiana, United States O.F. Mossberg & Sons, an American firearms manufacturer