| Dr Douglas Hyde/Dr Ludwig Zamenhof | Ó Riain, Seán | Article in Journal | | 1993 |
| Irish America, the 'Celtic tiger' and after | Ó Riain, Seán ; Ní Chasaide, Nessa | Article in Book | | 2024 |
| Irish and translation - the EU context | Ó Riain, Seán
| Article in Journal | | 2010 |
| Pleanáil teanga in Eirinn, 1919-1985 | Ó Riain, Seán | Monograph or Collective Volume | Carbad i gcomhar le Bord na Gaeilge | 1994 |
| Review of the tribes of Galway (2016) and Irish surnames : origins and developments (2019) by Adrian Martyn | Ó Riain, Seán | Monograph or Collective Volume | | 2019 |
| The Road to Austerity: Sudden, Severe, and a Long Time Coming | Ó Riain, Seán | Article in Book | | 2017 |
| The role of the state in growth and welfare | O'Connell, PhilipÓ Riain, Seán | Article in Book | | 2000 |
| The story of a Pole and an Irishman | Ó Riain, Seán | Article in Journal | | 1996 |