Several groups called themselves "national socialists" at one time or another; the one best-known is probably German's National Socialist party in Hitler's time, better known by its abbreviation "Nazi".
National Socialist League ended in 1939.
"The Nazis" is the nickname for the German National Socialist Party
National Socialist Movement in the Netherlands ended in 1945.
National Socialist Party - UK - ended in 1941.
National Socialist Workers' Party of Denmark ended in 1945.
National Socialist People's Party of Sweden was created in 1926.
National Socialist League ended in 1939.
National Socialist League was created in 1937.
Nazi Party, or it is National Socialist German Workers' Party.
"The Nazis" is the nickname for the German National Socialist Party
National Socialist People's Welfare ended in 1945.
National Socialist Schoolchildren's League ended in 1933.
National Socialist Schoolchildren's League was created in 1929.
James Mason - National Socialist - was born in 1952.
National Socialist Party - UK - was created in 1916.
National Socialist Party - UK - ended in 1941.
National Socialist Movement of Chile was created in 1932.