Sichfrith mac Ímair (... – 888 circa^[1]) è stato un Re vichingo-gaelico di Dublino nel IX secolo.

Figlio di Ímar, apparteneva alla dinastia vichingo-gaelica degli Uí Ímair. Fu ucciso da un membro del suo seguito^[1], lasciando il trono di Dublino al fratello Sitriuc.

• Annali dell'Ulster
• Annali dei quattro maestri
• Annali frammentari d'Irlanda
• Cogad Gáedel re Gallaib
• Cronaca degli Scoti

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