Tania Kelly Roxborogh (born 1 September 1965) is a New Zealand author who currently lives in Lincoln, Canterbury. She is the author of over 30 books, including Third Degree, Twenty Minute Shakespeare, and Fat Like Me and The Banquo's Son Trilogy. She also teaches English at the local high school. In 2021, her novel Charlie Tangaroa and the Creature from the Sea won the supreme award, the Margaret Mahy Book of the year.