Clara Mulholland (1849–1934) was a writer who was born in Belfast but moved to England at an early age. In addition to being a prolific novelist since the 1880s, she wrote children's literature, plays, and was a translator from French into English.

Clara Reeve was an English novelist best known for the Gothic novel The Old English Baron (1777). She also wrote an innovative history of prose fiction, The Progress of Romance (1785). Her first work was a translation from Latin, then an unusual language for a woman to learn. She was a near-contemporary of the bluestockings ladies of Elizabeth Montague's circle.

Clara Thue Ebbell (22 February 1880 – 1971) was a Norwegian author.

Clara Tschudi was a Norwegian writer.

Clara Emma Amalia Viebig was a German author.

Clara Whitehill Hunt was an American teacher, librarian, writer, and advocate for children's library services.

Clare B. Dunkle is an American children's fantasy author and librarian.

Clare Boylan was an Irish author, journalist and critic for newspapers, magazines and many international broadcast media.

Clare Cavanagh is an American literary critic, a Slavist, and a translator. She is the Frances Hooper Professor in the Arts and Humanities and Chair of the Department of Slavic Languages and Literatures at Northwestern University. An acclaimed translator of contemporary Polish poetry, she is currently under contract to write the authorized biography of Czesław Miłosz. She holds a B.A from the University of California, Santa Cruz, and an M.A. and PhD from Harvard University. Before coming to Northwestern University, she taught at the University of Wisconsin, Madison. Her work has been translated into Russian, Polish, Hungarian, French, Dutch, Chinese, and Japanese.

Clare Cavendish was a British writer of romance novels from 1964 to 1982.