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- National Barn Dance (1933–1950)
- National Church of the Air (1927–1956)
- The National Farm and Home Hour (1929–1958)
- National Radio Forum (1931–1943)
- The Navy Hour (1930–1954)
- NBC Music Appreciation Hour (1929–1941)
- NBC Symphony Orchestra (1937–1954)
- The Neal Boortz Show (1977–present)
- Nell Vinick (1929–1942)
- Nelson Olmsted (1939–1951)
- The New Adventures of Sherlock Holmes (1939–1947)
- The New Adventures of Nero Wolfe (1950–1951)
- New York Philharmonic Orchestra (1927–1963)
- News on the Hour (1950, NBC, with newscaster Robert Abernethy)
- Newsroom of the Air (1940–1955)
- Nick Carter, Master Detective (1943–1955)
- Nightbeat (1950–1952)
- Nights with Alice Cooper (2004–present)
- Noah Webster Says (1942–1951)
- Northwestern University Reviewing Stand (1936–1963)
Read more about this topic: List Of U.S. Radio Programs