Niall Grimley

{{Short description|Armagh Gaelic footballer}}

{{Use dmy dates|date=November 2020}}

{{Use Hiberno-English|date=November 2020}}

Niall Grimley is an Irish Gaelic footballer who plays at senior level for the Armagh county team.

On 25 October 2017, Grimley was named in the Ireland squad for the 2017 International Rules Series against Australia in November.{{cite web|url=https://www.independent.ie/sport/gaelic-games/gaelic-football/revealed-ireland-international-rules-squad-named-and-mayos-aidan-oshea-unveiled-as-captain-36261096.html |title= Ireland international rules squad named and Mayo's Aidan O'Shea unveiled as captain|date=25 October 2017|work=Irish Independent|access-date=25 October 2017}}

He dedicated Armagh's victory in the 2024 All-Ireland Senior Football Championship final to his brother, who had died in a road accident less than a year before.{{cite news|url=https://www.rte.ie/sport/football/2024/0728/1462286-grimley-dedicates-all-ireland-success-to-late-brother/|title=Niall Grimley dedicates Armagh's All-Ireland success to late brother|publisher=RTÉ News|date=28 July 2024}}{{cite news|url=https://hoganstand.com/Article/Index/332944|title='That was for him and I just wish he was here to see it'|work=Hogan Stand|date=28 July 2024}}