Rosary-based prayers are Christian prayers said on a set of rosary beads, among other cords. These prayers recite specific word sequences on the beads that make up the different sections. They may be directed to Jesus Christ, the Virgin Mary or God the Father.

The Rosary, also known as the Dominican Rosary, refers to a set of prayers used primarily in the Catholic Church, and to the physical string of knots or beads used to count the component prayers. When referring to the prayer, the word is usually capitalized ; when referring to the prayer beads as an object, it is written with a lower-case initial letter.