Nicholas Everitt is an English philosopher and atheist writer who specializes in epistemology and philosophy of religion.

Nicholas Rowe, English dramatist, poet and miscellaneous writer, was appointed Poet Laureate in 1715. His plays and poems were well-received during his lifetime, with one of his translations described as one of the greatest productions in English poetry. He was also considered the first editor of the works of William Shakespeare.

Nicholas Udall was an English playwright, cleric, schoolmaster, the author of Ralph Roister Doister, generally regarded as the first comedy written in the English language.

Shulim or Nikolai Aleksandrovich Notovich, known in the West as Nicolas Notovitch, was a Crimean Jewish adventurer who claimed to be a Russian aristocrat, spy and journalist.

Nikola Tesla was a Serbian-American inventor, electrical engineer, mechanical engineer, and futurist best known for his contributions to the design of the modern alternating current (AC) electricity supply system.

Annie "Nina" née Homan-Mulock Kennard was an author. She married Arthur Challis Kennard, an ironmaster, in 1866.

Nina Wilcox Putnam was an American novelist, screenwriter and playwright. She wrote more than 500 short stories, around 1000 magazine articles, and several books in addition to regular newspaper columns, serials, comic books and children's literature. Many of her stories were made into films, including a story that was the basis for the 1932 film The Mummy starring Boris Karloff. She married four times, was estimated to have earned one million dollars from her writing, and drafted the first 1040 income tax form for the IRS.

Anne "Ninon" de l'Enclos, also spelled Ninon de Lenclos and Ninon de Lanclos, was a French author, courtesan and patron of the arts.

Nixon Waterman was a newspaper writer, poet and Chautauqua lecturer, who rose to prominence in the 1890s.

Nora Archibald Smith (1859–1934) was an American writer of children's literature in the late 19th and early 20th centuries, and sister of Kate Douglas Wiggin. Smith and Wiggin co-authored and co-edited a series of children's books.