Udai Singh

Udai Singh may refer to:


 * Udai Singh I (died 1473), ruler of Mewar during 1468–1473
 * Udai Singh II (1522–1572), ruler of Mewar during 1540-1572
 * Udai Singh of Marwar (1538–1595), ruler of Marwar during 1583-1595
 * Udal of Mahoba also Uday Singh, a heroic Indian warrior, contemporary of Prithviraj Chauhan