Nicole Loraux was a French historian of classical Athens.

Nicoletta Costa is an Italian writer, illustrator and cartoonist, famous for her works of children's literature. She is the creator of characters Olga the Cloud and Julian Rabbit. Costa is renowned for her distinctive drawing style, distinguished by "characterized forms and bright colours." She is the recipient of many awards, including three Andersen Prizes. Her books have been translated into several languages, including English, Spanish, and Japanese.

Nicomachus of Gerasa was an Ancient Greek Neopythagorean philosopher from Gerasa, in the Roman province of Syria. Like many Pythagoreans, Nicomachus wrote about the mystical properties of numbers, best known for his works Introduction to Arithmetic and Manual of Harmonics, which are an important resource on Ancient Greek mathematics and Ancient Greek music in the Roman period. Nicomachus' work on arithmetic became a standard text for Neoplatonic education in Late antiquity, with philosophers such as Iamblichus and John Philoponus writing commentaries on it. A Latin paraphrase by Boethius of Nicomachus's works on arithmetic and music became standard textbooks in medieval education.

Muqtida Hasan Nida Fazli, known as Nida Fazli, was a prominent Indian Hindi and Urdu poet, lyricist and dialogue writer. He was awarded the Padma Shri in 2013 by the government of India for his contribution to literature.

Nie Gannu was a Chinese essayist, and a political figure. He was born in Jingshan County, Hubei province in 1903. He studied at Huangpu Military School.

Niels Hemmingsen was a Danish Lutheran theologian. He was pastor of the Church of the Holy Ghost, Copenhagen and professor at the University of Copenhagen. The street Niels Hemmingsens Gade in Copenhagen is named in his honor.

Niels Krag (1550-1602), was a Danish academic and diplomat.

Niels Ludvig Westergaard was a Danish Orientalist and professor.

Niels Peter Lemche is a biblical scholar at the University of Copenhagen, whose interests include early Israel and its relationship with history, the Old Testament, and archaeology.

Niels Nicolas Treschow was a Norwegian philosopher, educator and politician.