Namesakes
Fíachu Labrainne
(a.k.a. Fiacha) (m) 
Characters in Celtic Mythology
Irish Kings 1095-1071 BC
Fíachu Fínscothach
(a.k.a. Fiacha) (m)
Characters in Celtic Mythology
Irish Kings 975-955 BC
Fíachu Findoilches
(a.k.a. Fiacha) (m)
Characters in Celtic Mythology
Irish Kings 863-833 BC
Fíachu Tolgrach
(a.k.a. Fiacha) (m)
Characters in Celtic Mythology
Irish Kings 593-586 BC
Fíachu Finnolach
(a.k.a. Fiacha) (m)
Characters in Celtic Mythology
Irish Kings 28-55
Fíachu Sroiptine
(a.k.a. Fiacha) (m) ?-c. 306
Irish Kings 273-306