Congal is an Old Irish masculine given name. It may refer to:
People Congal Cáech (died 637), king of the Cruithne of Dál nAraidi in Ireland Congal Cennfota mac Dúnchada (died 674), king of Ulaid in Ireland Congal Cennmagair (died 710), High King of Ireland Congal Cláiringnech, legendary High King of Ireland, reigned 80–51 BCE, 135–120 BCE or 184–169 BCE according to different sources Congal mac Áedo Sláine (died 634), king of Brega in Ireland Congal mac Máele Dúin (died 690), king of Iarmuman in Ireland Flaithniadh mac Congal (died 776), abbot of Clonfert
Places Congal Biomarine Station, a protected nature reserve in Esmeraldas Province, Ecuador
See also Conghail, a surname