Sonya Sones is an American poet and author. She has written seven young adult novels in verse and one novel in verse for adults. The American Library Association (ALA) has named her one of the most frequently challenged authors of the 21st century.

Sopater of Apamea was a distinguished sophist and Neoplatonist philosopher.

Sophia Bennett is a British children's writer, author of several novels for young adults. Her debut novel Threads, won the Times/Chicken House competition in 2009, and in 2017 Love Song won the Goldsboro Books Romantic Novel of the Year. Her books have been published around the world.

Sophia or Sophie Brahe or after marriage Sophie Thott Lange, was a Danish noblewoman and horticulturalist with knowledge of astronomy, chemistry, and medicine. She worked alongside her brother Tycho Brahe in making astronomical observations.

Sophia de Mello Breyner Andresen was a Portuguese poet and writer. Her remains have been entombed in the National Pantheon since 2014.

Sophia de Mello Breyner Andresen was a Portuguese poet and writer. Considered one of the most important Portuguese poets of the 20th century, she published fourteen poetry books between 1944 and 1997, covering themes such as the natural world, the search for justice, Ancient Greece and the importance of poetry. As a novelist, she published several children's books, which she wrote for her own children, mainly in the 1950s and 1960s. She also wrote essays and theatre plays.

Sophia Elisabet Brenner, née Weber, was a Swedish writer, poet, feminist and salon hostess.

Sophia Elizabeth De Morgan was an English spiritualist writer and activist.

Sophia Wigington Hume was an American author and preacher associated with the Quakers.

Sophia Lee was an English novelist, dramatist and educator. She was a formative writer of Gothic fiction.