Petunia may refer to one of the following: * Petunia (High Rhulain), the daughter of Cuthbert Blanedale Frunk * Purloined Petunia, a ship captained by Frunk * Petunia (Mariel of Redwall), a young bankvole of Redwall Abbey * Petunia Rosebud, the Guosim shrew in The Sable Quean