Living rock

Living rock can refer to:
 * Rock-cut architecture, in phrases such as "hewn from the living rock"
 * Dwarf succulent plants resembling stones, especially of the genera:
 * Ariocarpus
 * Astrophytum
 * Aztekium
 * Epithelantha
 * Geohintonia
 * Lithops
 * Lophophora
 * Obregonia
 * Turbinicarpus
 * Strombocactus


 * Pyura chilensis, a tunicate that resembles a mass of organs inside a rock