Ieuan \ieuan\ as a boy's name is pronounced YAI-yan. It is of Welsh and Hebrew origin, and the meaning of Ieuan is "God is gracious". Variant of John, from Latin Johannes.

Ieuan has 2 variant forms: Iefan and Ifan.

For more information, see also the related name Evan.

Baby names that sound like Ieuan are Euan, Ian, Iwan, Jean and Juan.