N
- Nance (1911)
- Napoleon (1916–1919)
- Nash (1917–1957)
- Nash-Healey (1951–1954)
- National (1900–1924)
- Nelson (1917–1921)
- Neustadt-Perry or Neustadt (1901–1908, 1915)
- New England Electric (1899–1901)
- New England Steamer (1898–1899)
- New Era (1901–1902)
- New Era (1916)
- New Era (1933–1934)
- New Home (1899–1901)
- New York (1907)
- New York Six (1927–1928)
- Niagara (1900–1902)
- Niagara (1903–1905)
- Niagara Four (1915–1916)
- Nichols Shepard (1910–1911)
- Nielson (1906–1907)
- Noble (1902)
- Noma (1919–1923)
- Northern (1902–1908)
- Northway (1921–1922)
- North Western or Northwestern (see Haase or Logan)
- Norton (1901–1902)
- Norwalk (1910–1922)
- Nu-Klea (1959–1960)
- Nyberg (1911–1913)
Read more about this topic: List Of Defunct Automobile Manufacturers Of The United States