The National Council of (the) Arts, Sciences and Professions (NCASP or ASP) was a United States-based socialist organization of the 1950s.

The ASP sponsored the Cultural and Scientific Conference for World Peace, held at the Waldorf-Astoria hotel in New York City for 3 days in late March, 1949.^[1] It was a controversial conference, picketed by Catholic War Veterans. W. E. B. Du Bois gave an impassioned speech on the final night.^[1] The ASP asked Du Bois to represent them at the World Congress of the Partisans of Peace in Paris in April 1949.^[1] Du Bois also attended, on behalf of the ASP, the All-Soviet Peace Conference in August 1949.^[1]