Mossberg and Mosberg are surnames. Notable people with the surname include:Assar Mossberg, Swedish footballer Bo Mossberg (contemporary), Swedish author and illustrator of Den nya nordiska floran Daniel Mossberg, Swedish professional bandy midfielder Fredrik Mossberg (1874–1950), Swedish sports shooter Irving Mosberg (1908–1973), New York politician and judge Joel Mossberg (1870–1943), Swedish-American singer Mathew Mossburg, American business owner and former legislator in Maryland Samuel Mosberg (1896–1967), American professional boxer Walter Mossberg, American journalist, well-known as a Wall Street Journal columnist