Jucundus (masculine; variants include Iocundus, Iucundus, Jocund, Jocundus, Jukund) or Jucunda (feminine) is a given name of several Christian saints:

Jucundus (3rd century – 250), martyr in Africa. His feast is celebrated on 9 January Jucundus of Troyes (3rd century – 273), martyr in Troyes. His feast is celebrated on 21 July Jucundus of Sirmium (4th century), martyr in Pannonia. His feast is celebrated on 6 January (4th century – c. 407), bishop of Aosta. His feast day is celebrated on 30 December. Jucundus of Rheims, lector of Nicasius of Rheims Jucunda (4th century – 466). Her feast is celebrated on 25 November Jucundus of Bologna (c. 5th century), bishop of Bologna. His feast day is celebrated on 14 November Jucundus, 5th-century bishop of Sufetula (modern-day Sbeitla, Tunisia) Jucunda, martyr in Nicomedia. Her feast is celebrated on 27 July

See also Jucundian or Jucundianus (3rd century), martyr in Africa. His feast is celebrated on 4 July Giocondo (disambiguation) Gioconda (disambiguation) Joconde (disambiguation)