| "Money" in the place-names of east Ulster | Toner, Gregory | Article in Journal | | 1991 |
| 'The wasting sickness of Cú Culainn' | Toner, Gregory | Article in Book | | 2019 |
| A history of Ireland in 100 words | Arbuthnot, SharonNí Mhaonaigh, MáireToner, Gregory | Monograph or Collective Volume | Royal Irish Academy | 2019 |
| A reassessment of the element Cuilleann | Toner, Gregory | Article in Journal | | 1996 |
| An eilimint *íneán i logainmneacha Reachlainne | Toner, Gregory | Article in Journal | | 1994 |
| An file in 'Bás Cearbhaill agus Farbhlaidha' | Toner, Gregory | Article in Journal | | 1991 |
| Authority, verse and the transmission of Senchas | Toner, Gregory | Article in Journal | | 2005 |
| Bruiden Da Choca | | Monograph or Collective Volume | Irish Texts Society | 2007 |
| Celtic cosmology : perspectives from Ireland and Scotland | | Monograph or Collective Volume | Pontifical Institute of Medieval Studies | 2014 |
| Cormac Conloinges : the hero of the mound | Toner, Gregory | Article in Journal | | 1991 |
| Craobh eolais : a festschrift for Ruairí Ó hUiginn | | Monograph or Collective Volume | An Sagart | 2025 |
| Emain Macha in the literature | Toner, Gregory | Article in Journal | | 1988 |
| Framing dignity in the 1937 Constitution | Toner, Gregory | Article in Journal | | 2021 |
| History and salvation in Lebor na hUidre | Toner, Gregory | Article in Book | | 2015 |
| Landscape and cosmology in the Dindshenchas | Toner, Gregory | Article in Book | | 2014 |
| Place-Names of Northern Ireland, 1 : County Down, pt. 1 : Newry and South-West Down; 2 : County Down, pt. 2 : The Ards | | Monograph or Collective Volume | | 1992 |
| Place-names of Northern Ireland, Vol. 5, county Derry 1 : the Moyola valley | Stockman, GerardToner, Gregory | Monograph or Collective Volume | Queen's University of Belfast, Institute of Irish Studies | 1996 |
| Place-names of Northern Ireland. Vol. 1 : County Down. Pt. 1 : Newry and south-west Down; Pt. 2 : The Ards; Pt. 3 : The Mournes | Stockman, GerardToner, GregoryÓ Mainnín, Mícheál B. | Monograph or Collective Volume | Queen's University of Belfast, Institute of Irish Studies | 1992 |
| Reconstructing the earliest Irish tale lists | Toner, Gregory | Article in Journal | | 2000 |
| Settlement and settlement terms in medieval Ireland : Ráth and Lios | Toner, Gregory | Article in Journal | | 1998 |
| The backwardnook : Cúil and Cúl in Irish placenames | Toner, Gregory | Article in Journal | | 1996 |
| The battle of Saintfield | Toner, Gregory | Article in Book | | 1998 |
| The dating of the Acallam | Toner, Gregory | Article in Book | | 2022 |
| The definite article in Irish place-names | Toner, Gregory | Article in Journal | | 1999 |
| The original Irish name of Carrickarade/Carrick-a-rede, Co. Antrim | Toner, Gregory | Article in Journal | | 2008 |
| The Royal Irish Academy's Dictionary of the Irish language, based mainly on Old and Middle Irish (1913-76) | Toner, Gregory | Article in Book | | 2025 |
| The transmission of 'Tochmarc Emire' | Toner, Gregory | Article in Journal | | 1998 |
| The Ulster Cycle : historiography or fiction? | Toner, Gregory | Article in Journal | | 2000 |
| Ulidia 3; Proceedings of the Third International Conference on the Ulster Cycle of Tales, University of Ulster, Coleraine, 22-25 June 2009 | | Monograph or Collective Volume | Curach Bán | 2013 |
| Wise women and wanton warriors in early Irish literature | Toner, Gregory | Article in Journal | | 2010 |