Superstitions, or repetitive actions an athlete believes to be powerful and influential to performance and success, are prevalent in all types of sport. Superstitions are often believed to be detrimental due to their controlling nature, as opposed to pre-performance routines, in which the athlete is in control. However, superstitions may serve to reduce stress and anxiety for some athletes. The purpose of this article is twofold. The first aim is to discuss the role of superstitions in sport, specifically focusing on swimmers. In addition to differentiating between superstitions and pre-performance routines, the factors that influence the likelihood of a swimmer using superstitions and the role that superstitious behaviors play on performance are identified. Common examples of superstitious behaviors utilized by swimmers are also provided to help those who work with swimmers. The second aim of this article is to provide suggestions for how coaches and other practitioners can monitor and address superstitions to best assist their athletes.