Sarah C. Andersen (born June 15, 1992) is a renowned American cartoonist and illustrator, best known for her popular webcomics Sarah's Scribbles and Fangs. She is currently based in Portland, Oregon.

Sarah graduated from the Maryland Institute College of Art in 2014. Her comics are semi-autobiographical and follow the adventures of herself, her friends, and her beloved pets. Throughout her career, she has collaborated with various artists and writers, including Andy Weir.

Recently, Sarah has been noted for her public opposition to the rise of text-to-image models and generative AI illustrations.