Stephen Anthony Mallon (born 7 February 1999) is an Irish professional footballer who plays as a left winger for League of Ireland Premier Division club Sligo Rovers.
Born in Belfast, Northern Ireland, Mallon started his football career at St Oliver Plunkett FC 1969 before he moved to Sheffield United.
[6] Following his loan spell at Central Coast Mariners came to an end, Mallon resumed playing for Sheffield United's U23 side.
[7] Mallon joined A-League side Central Coast Mariners on loan from Sheffield United in January 2019.
On 10 January 2020, Mallon signed for League of Ireland Premier Division side Derry City on loan.
[13] Fallon then scored his first league goal against Bohemians at the Ryan McBride Brandywell Stadium, winning 2–0 on 28 February 2020.
[18] Mallon returned to Sheffield United after making 17 appearances and scoring 3 goals in all competitions for Derry City.
[19][20] On 12 January 2021, Mallon departed Sheffield United, joining League of Ireland Premier Division side Bohemians on a permanent basis.
[21] He rejected a move return to Derry City, stating that "the team’s ‘style of play’ simply didn't suit him.
[28] On 28 November 2021, he came on as a 86th-minute substitute for Bohemians in the 2021 FAI Cup Final against St Patrick's Athletic in front of a record FAI Cup Final crowd of 37,126 at the Aviva Stadium and then successfully converted the penalty on penalties following a 1–1 draw after extra time, as the club went on to lose 4–3.
[32] He played in both leg for the club's UEFA Conference League matches against Dunajská Streda, as Cliftonville lost 5–1 on aggregate.
[42] Mallon came on as a 72nd-minute substitute in the Irish Cup final against Linfield and helped Cliftonville win 3–1 to end their 45 years drought.
[44] Mallon signed for League of Ireland Premier Division club Sligo Rovers on 4 June 2024, with his contract due to begin from 1 July.
[49] After just 8 appearances for the club, he suffered a hip injury in a 4–0 loss away to Shamrock Rovers on 13 September 2024 that would rule him out for the rest of the season.