An arm cradle for holding and stabilizing an arm of a post-operative shoulder surgery patient is provided. The arm cradle has a cradle body having a first concave section adapted to accept at least a portion of an upper arm of a patient and a second concave section adapted to accept at least a portion of a lower arm of the patient. The first concave section and the second concave section may be arranged at an obtuse angle with respect to one another. A fabric cover may be provided for the cradle body. One or more straps may be affixed to one of the cradle body or the fabric cover and used to secure the arm cradle to the patient and/or to secure the arm of the patient in the arm cradle.