Tigernach, an early Irish personal name, may refer to:
*
Tigernach of Clones (d. 549), patron saint of Clones
*
Tigernach mac Fócartai (d. 865), king of Lagore (south Brega)
*
Tigernach Ua Braín (d. 1088), abbot of Clonmacnoise and Roscommon, putative author of the ''Annals of Tigernach''
*Tigernach Ua Máel Eóin (d. 1172),
abbot of Clonmacnoise
See also
*''
Annals of Tigernach''
{{disambiguation