Conchobar mac Taidg Mór (died 882) was a King of Connacht from the Uí Briúin branch of the Connachta.
[1] His father Tadg Mór (died 810) had been slain fighting in Muirgius' wars versus the minor tribes of Connacht.
In 860 the men of Connacht participated in the expedition of the high king Máel Sechnaill mac Máele Ruanaid (died 862) of Clann Cholmáin against the northern Ui Neill.
[5] In 863 the new high king Áed Findliath (died 879) of the Cenél nEógain made an expedition into Connacht to impose his authority.
[12] Conchobar had married Ailbe, daughter of the high king Máel Sechnaill mac Máele Ruanaid.