Iacchus (Greek)

Greek Gods You’ve Never Heard Of, Part IX by @hereticalheraldry

Iapetus (Greek)

Greek Gods You’ve Never Heard Of, Part V by @hereticalheraldry

Iapyx (Greek)

Greek Gods You’ve Never Heard Of, Part IX by @hereticalheraldry

Iara (Guarani and Tupi)

Merfolk Masterpost by @naomi121406

Iasion (Greek)

Greek Gods You’ve Never Heard Of, Part IV by @hereticalheraldry

Iaso (Greek)

Greek Gods You’ve Never Heard Of, Part VII by @hereticalheraldry

Ibeji (Yoruba)

African Deities by @mossytreeelf and @theajesaysashe

Ichthyocentaurs (Greek)

Greek Gods You’ve Never Heard Of, Part VIII by @hereticalheraldry

Idas (Greek)

Greek Gods You’ve Never Heard Of, Part V by @hereticalheraldry

Idunn (Norse)

do you have a list of things the gods are associated with... by @edda-for-dummies