Mordekhai Batchaev, known by his pen-name Muhib, was a Bukharan Jewish poet.

Morgan Llywelyn is an American-Irish historical interpretation author of historical and mythological fiction and historical non-fiction. Her interpretation of mythology and history has received several awards and has sold more than 40 million copies, and she herself is recipient of the 1999 Exceptional Celtic Woman of the Year Award from Celtic Women International.

Morgan Catherine Matson, also known under her pseudonym Katie Finn, is a New York Times bestselling American novelist.

Morgan Murray is a Canadian writer, whose debut novel Dirty Birds was published in 2020. It was shortlisted for both the ReLit Award for fiction and the Stephen Leacock Memorial Medal for Humour in 2021.

Morgan Rice is an American author of fantasy and science fiction novels, with her books making the New York Times, USA Today, Apple Books, and other bestseller lists. Her first novel A Quest of Heroes was self-published in 2013 and was the first of 17 books in her epic fantasy series The Sorcerer's Ring.

Morgan Andrew Robertson was an American author of short stories and novels, and the self-proclaimed inventor of the periscope.

Lieutenant-General Mori Rintarō , known by his pen name Mori Ōgai , was a Japanese Army Surgeon general officer, translator, novelist, poet and father of famed author Mari Mori. He obtained his medical license at a very young age and introduced translated German language literary works to the Japanese public. Mori Ōgai also was considered the first to successfully express the art of western poetry in Japanese. He wrote many works and created many writing styles. The Wild Geese (1911–1913) is considered his major work. After his death, he was considered one of the leading writers who modernized Japanese literature.

Morio Kita was the pen name of Sokichi Saitō , a Japanese psychiatrist, novelist and essayist.

Moritz August von Thümmel (1738–1817) was a German humorist and satirical author.

Moritz Brasch (18 August 1843 in Zempelburg, Prussia, now Sępólno Krajeńskie – 14 September 1895 in Leipzig) was a German philosopher and man of letters.