Hortulus

Hortulus may refer to:
 * Hortulus, a book on gardening by the 9th-century monk Walafrid Strabo
 * Hortulus Animae (Little Garden of the Soul, Seelengärtlein, Jardin des Âmes)
 * 4323 Hortulus (1981 QN), a main-belt asteroid that was discovered on 1981 by Paul Wild at Zimmerwald