Daithí de Róiste (born July 1987) is an Irish Fianna Fáil politician who served as the Lord Mayor of Dublin from 2023 to 2024.

[2] De Róiste graduated with a BA in History from University College Dublin[3] and a Masters in Public Affairs from DIT (TUD).

De Róiste was first elected to the Dublin City Council in 2014 and re-elected in 2019 from the district of Ballyfermot–Drimnagh.

[4] He has worked in marketing and communications for over a decade in Bord na Móna, Permanent TSB, and the University of Pittsburgh Medical Center.

[2] He lost his seat at the 2024 local elections.