Omaumaukioe and Owalawalaheekio, [346].

Onionikaua, officer and general of Aikanaka, [32], [34], [36].

Oo, bird (Moho nobilis), [258], [478].
gardening implement, [414], [586], [680].

Oopu god, legend of, [510], [514].

Oopuloa forests, [176], [180].

Oopuola, home of the ghost Kaahualii, [434].

Oopus, goby-fish (Eleotris fusca), [510], [512].

Opelemoemoe (the great sleeper), legend of, [168], [170].

Opelu (Decapterus pinnulatus), [16].

Opihi shell (Neritina granosa), [296].