- Nabisco – formerly The National Biscuit Company, changed in 1971 to Nabisco.
- NAD Electronics – Audio equipment manufacturer named for New Acoustic Dimension.
- Napster – the original music-sharing service was named after co-founder Shawn Fanning's hairstyle-based nickname.
- NCR Corporation – from National Cash Register.
- NEC – from Nippon Electric Company.
- Nero – Nero Burning ROM named after Nero burning Rome ("Rom" is the German spelling of "Rome").
- Nestlé – named after its founder, Henri Nestlé, who was born in Germany under the name "Nestle", which is German (actually, Swabian diminutive) for "bird's nest". The company logo is a bird's nest with a mother bird and two chicks.
- Netscape – Originally the product name of the company's web browser ("Mosaic Communications Netscape Web Navigator"). The company adopted the product name after the University of Illinois threatened to sue for trademark infringement over the use of the Mosaic name. Netscape is the combination of network and landscape.
- Nike – named for the Greek goddess of victory.
- Nikon – the original name was Nippon Kogaku, meaning "Japanese Optical".
- Nintendo – Nintendo is the transliteration of the company's Japanese name, nintendou (任天堂). The first (nin) can be translated as to "entrusted"; ten-dou means "heaven".
- Nissan – the company was earlier known by the name Nippon Sangyo which means "Japan Industries".
- Nokia – started as a wood-pulp mill, the company expanded into producing rubber products in the Finnish city of Nokia. The company later adopted the city's name.
- Nortel Networks – named from Nortel (Northern Telecom) and Bay Networks. The company was originally spun off from the Bell Telephone Company of Canada Ltd in 1895 as Northern Electric and Manufacturing, and traded as Northern Electric from 1914 to 1976.
- Novartis – after the Latin expression "novae artes" which means something like "new skills".
- Novell – Novell, Inc. was earlier Novell Data Systems co-founded by George Canova. The name was suggested by George's wife who mistakenly thought that "Novell" meant new in French. (Nouvelle is the feminine form of the French adjective 'Nouveau'. Nouvelle as a noun in French is 'news'.)
Read more about this topic: List Of Company Name Etymologies