N
- Nahant
- Nanito
- Nansen
- Napier
- Nashua
- Nashville
- Nasset
- National
- Nemaha
- Neola
- Neptune
- Neska
- Nevada
- Nevinville
- New Albin
- New Albion
- Newbern
- New Boston
- New Buda
- New Buffalo
- Newburg
- New Dixon
- Newell
- Newhall
- New Hampton
- New Hartford
- New Haven
- Newkirk
- New Liberty
- New London
- New Market
- Newport
- Newport
- Newport
- New Providence
- New Sharon
- Newton
- New Vienna
- New Virginia
- New York
- Nichols
- Nilesville
- Nira
- Nishna
- Noble
- Nodaway
- Nora Springs
- Nordness
- North American Trailer Park
- Northboro
- North Branch
- North Buena Vista
- North English
- Northfield
- North Liberty
- North Washington
- North Welton
- Northwood
- Norwalk
- Norway
- Norway Center
- Norwich
- Norwood
- Nugent
- Numa
- Nyman