Santa Joana

Santa Joana may refer to:
 * Santa Joana (parish) - in Aveiro Municipality, Portugal
 * Santa Joana River - river in Espírito Santo, Brazil
 * Santa Joana, Princesa de Portugal - a Portuguese princess considered holy by the Catholic Church
 * Santa Joana, work by George Bernard Shaw
 * Santa Joana, Portuguese for Jeanne d'Arc