John Breslin | |
|---|---|
 John Breslin (2018) | |
| Born | 2 April 1973 |
| Nationality | Irish |
| Education | Catholic University School Mary Immaculate Lisdoonvarna |
| Alma mater | University of Galway (BE, PhD) |
| Occupation(s) | Academic, entrepreneur, author |
| Employer | University of Galway |
| Known for | boards.ie, SIOC, PorterShed, Old Ireland in Colour |
| Website | http://www.johnbreslin.com |
John Breslin (Irish: Seán Ó Breisleáin; born 1973 in Dublin, Ireland) is an Irish engineer and full professor at the University of Galway. He is co-founder of the Irish websites boards.ie and adverts.ie. He co-authored the Irish bestselling book Old Ireland in Colour in 2020, Old Ireland in Colour 2 in 2021, and Old Ireland in Colour 3 in 2023.