Sophron of Syracuse, Magna Graecia, was a writer of mimes.

Elseus Sophus Bugge was a Norwegian philologist and linguist. His scholarly work was directed to the study of runic inscriptions and Norse philology. Bugge is best known for his theories and his work on the runic alphabet and the Poetic Edda and Prose Edda.

Sophus Claussen was a Danish writer. He is best remembered for his neo-romanticism poems.

Sophus Michaëlis (1865–1932) was a Danish poet, novelist and playwright. His works were translated, published, and performed in England, France, Germany, and Sweden during his lifetime, in addition to his native Denmark.

Sophus Christian Frederik Schandorph, known simply as Sophus Schandorph,, Danish poet and novelist, was born at Ringsted in Zealand. He was one of the men of "the Modern Break-through."

Sophy Burnham is an American author, playwright, essayist and poet.

Sorana Gurian was a Romanian writer, journalist, and translator who wrote both in Romanian and in French.

Soranus of Ephesus was a Greek physician. He was born in Ephesus but practiced in Alexandria and subsequently in Rome, and was one of the chief representatives of the Methodic school of medicine. Several of his writings still survive, most notably his four-volume treatise on gynecology, and a Latin translation of his On Acute and Chronic Diseases.

LeClaire Gowans Alger was an American writer better known under her pseudonym Sorche Nic Leodhas, or simply Sorche Leodhas. Born in Youngstown, Ohio, she was a sickly child, eventually being homeschooled. Alger was a known librarian, working from 1915 to 1966, while the imaginary Sorche was a storyteller. She sought out traditional Scottish tales that had never been written down before. She won a Lewis Carroll Shelf Award in 1962 and a Newbery Honor for Thistle and Thyme: Tales and Legends from Scotland in 1963. Her 1965 children's picture book Always Room for One More, illustrated by Nonny Hogrogian, won the 1966 Caldecott Medal.

Søren Pedersen Abildgaard was a Danish naturalist, writer and illustrator. He was born in Flekkefjord in Norway and died in Copenhagen in Denmark.