Tigernach

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