Niall Ó Donnchú
- Foilsithe: 13 Nollaig 2020
- An t-eolas is déanaí: 4 Feabhra 2025

Niall Ó Donnchú has responsibility at Assistant Secretary level for the Heritage Division including the National Built Heritage Service; National Monuments Service and the National Parks and Wildlife Service; the conservation and management of our unique heritage for the benefit of present and future generation, as a support to economic development and sustainable employment, and in compliance with legal obligations.