Liam Francis Peadar Donnelly (born 7 March 1996) is a Northern Irish professional footballer who plays as a midfielder for Scottish Premiership club St Mirren. Donnelly, who can also play as a defender, has previously played for Dungannon Swifts, Fulham, Crawley Town, Hartlepool United and Motherwell. He has also represented Northern Ireland internationally. Donnelly made his senior Northern Ireland debut on 4 June 2014 against Chile, coming on as a substitute in the 89th minute. On 11 September 2018, Donnelly made his 22nd appearance for Northern Ireland's under-21s in a 2–1 win away to Spain, a match in which he scored from a penalty, and in doing so became the nation's record cap holder at that level. He eventually finished his time with the under-21 side with 24 caps. Donnelly was recalled to the senior squad in August 2019, ahead of a friendly against Luxembourg and a Euro 2020 qualifier against Germany. He came on as a substitute against Luxembourg on 5 September, earning his second cap, five years after his first.