| 'Ab Fíréanda fada ó shin' : a detached apologue? | Ó Háinle, Cathal G. | Article in Journal | | 2014 |
| A life in eighteenth-century Dublin : Tadhg Ó Neachtain | Ó Háinle, Cathal G. | Article in Book | | 1992 |
| An Ceol san Fhilíocht Chlasaiceach | Ó Háinle, Cathal G. | Article in Book | | 1976 |
| An leagan Muimhneach den Phaidir | Ó Háinle, Cathal G. | Article in Book | | 2013 |
| An Piarsach: misteachas, morálacht agus miotas | Ó Háinle, Cathal G. | Article in Book | | 2000 |
| An tÚrscéal nar tháinig | Ó Háinle, Cathal G. | Article in Book | | 1975 |
| An unrecorded seventeenth-century Clonmacnoise chalice | Manning, ConlethÓ Háinle, Cathal G. | Article in Book | | 2003 |
| Apalóg ón bhFiannaíocht | Ó Háinle, Cathal G. | Article in Book | | 2019 |
| Athbheochan na filíochta, 1882-1916 | Ó Háinle, Cathal G. | Article in Book | | 1972 |
| Cogadh Gaedhel re Gallaibh | Ó Háinle, Cathal G. | Article in Book | | 1982 |
| Corrach do chodlas a-réir revisited | Ó Háinle, Cathal G. | Article in Journal | | 2020 |
| Criostalú : aistí ar shaothar Mháirtín Uí Chadhain | Ó Háinle, Cathal G. | Monograph or Collective Volume | Coiscéim | 1998 |
| D'fhior chogaidh comhailtear síothcháin | Ó Háinle, Cathal G. | Article in Book | | 1971 |
| Dealg draighnin, dealg airgid/óir | Ó Háinle, Cathal G. | Article in Journal | | 2020 |
| Éigse lár na hÉireann, 1500-1750 | Ó Háinle, Cathal G. | Monograph or Collective Volume | An Sagart | 1975 |
| Flattery rejected : two seventeenth-century Irish poems | | Article in Journal | | 1985 |
| Fr Francis Leynagh's letter (1725) | Ó Háinle, Cathal G. | Article in Journal | | 2005 |
| Gaeilge agus Béarla faoi chló a chéile : Jonathan Swift agus Seán is Tadhg Ó Neachtain | Ó Háinle, Cathal G. | Article in Book | | 2016 |
| Gaeilge agus Béarla faoi chló a chéile: Jonathan Swift agus Séan is Tadhg Ó Neachtain. | Ó Háinle, Cathal G. | Article in Book | Ollscoil na hÉireann | 2016 |
| Gearrscéalta an Phiarsaigh | Ó Háinle, Cathal G. | Monograph or Collective Volume | [s.n.] | 1979 |
| Ireland and Scotland : nation, region, identity; náisiún, régiún, céannacht; nàisean, ceàrn tìre, fèineachd : a record of the inter-disciplinary conference held in Trinity College Dublin and the Irish Film Centre 29-30 September 2000 | | Monograph or Collective Volume | Centre for Irish-Scottish Studies, TCD for the Irish-Scottish Academic Initiative | 2001 |
| Leabharlannaí | Ó Háinle, Cathal G. | Article in Journal | | 1997 |
| Máirtín Ó Cadhain agus saoirse an léitheora : 'Ciréib' agus 'An tsraith ar lár' | Ó Háinle, Cathal G. | Article in Book | | 2025 |
| Mícheál Ó Gallchóir agus Rinn na Feirste i Maigh Eo | Ó Háinle, Cathal G. | Article in Book | | 2016 |
| My father and Ballinahown folklore. Part 1-2 | Ó Háinle, Cathal G. | Article in Journal | | 2011 |
| Na dánta grá | Ó Háinle, Cathal G. | Article in Book | | 1975 |
| Ó Cadhain, an Rí Séamas II, Joyce agus Molly Bloom | Ó Háinle, Cathal G. | Article in Book | | 2007 |
| Ó Chaint na ndaoine go dtí an Caighdeán Oifigiúil. | Ó Háinle, Cathal G. | Article in Book | | 1994 |
| Outrage at Ballinahown 1832 | Ó Háinle, Cathal G. | Article in Journal | | 2011 |
| Pádraig an Bhíobla | Ó Háinle, Cathal G. | Article in Book | | 2018 |
| Peig, Aonghus Ó Dálaigh agus MacBeth | Ó Háinle, Cathal G. | Article in Book | | 1989 |
| Promhadh pinn | Ó Háinle, Cathal G. | Monograph or Collective Volume | [s.n.] | 1978 |
| Scáthanna | Ó Háinle, Cathal G. | Monograph or Collective Volume | Coiscéim | 2008 |
| Seán agus Tadhg Ó Neachtain: cleamhnas agus gaol | Ó Háinle, Cathal G. | Article in Journal | | 2005 |
| Stair an Áivé Máiria sa Ghaeilge anuas go dtí circa 1900 | Ó Háinle, Cathal G. | Article in Journal | | 2011 |
| The 'Deirdre story', shifting emphases | Ó Háinle, Cathal G. | Article in Journal | | 2008 |
| The development of a standard for modern Irish : An Caighdeán Oifigiúil (1945) and after | Ó Háinle, Cathal G. | Article in Book | | 2025 |
| The novel frustrated : seventeenth- to nineteenth-century fiction in Irish | Ó Háinle, Cathal G. | Article in Book | | 2004 |
| The Pater Noster in Irish : reformation texts to c.1650 | Ó Háinle, Cathal G. | Article in Journal | | 1991 |
| Three apologues and In Cath Catharda | Ó Háinle, Cathal G. | Article in Journal | | 2015 |
| Unity in diversity : studies in Irish and Scottish Gaelic language, literature and history | | Monograph or Collective Volume | Trinity College, School of Irish | 2004 |
| Varia de Amore : 1. A bhean lán de stuaim and Quinque lineae amoris | Ó Háinle, Cathal G. | Article in Journal | | 2018 |
| Westmeath bardic poetry | Ó Háinle, Cathal G. | Article in Book | Geography Publications | 2022 |