Tomas Raymond Leahy (born 31 March 2004) known as "Tom Leahy", is an English professional footballer who plays as a forward for club Welling United. He is capable of playing as a striker, as well as on the left and right wing.
Career.
Millwall.
Prior to joining Millwall, Leahy had spells at Chipstead, Brighton & Hove Albion and Bromley. On 21 July 2024, in a fixture on Millwall's pre-season tour to Spain, Leahy scored the winning goal in a 2–1 win against Real Murcia. After featuring in several matchday squads during the 2023–24 campaign, Leahy made his first-team debut during Millwall's 4–3 away defeat to Bristol City in August 2024, replacing Shaun Hutchinson.
Leahy was a member Millwalls U21 team that won the 2022/23 U21 Professional Development League and National Play-Off Double, as well as the 2023/24 League Winners. 
Loan spells.
On 6 September 2024, Leahy joined National League club Woking on loan until January 2025. He went on to make his debut a day later, during a 0–0 draw with Braintree Town, replacing Matt Ward in the 73rd minute. On 28 September 2024, Leahy scored his first goal for Woking against Sutton United, a header in the 74th minute. 
On 13 January 2025, it was announced that Leahy had returned to Millwall following the conclusion of his loan spell. He scored his final goal for the club during a 4–0 home victory over Radcliffe in the FA Trophy. Leahy started 7 games in all competitions, scoring 4 goals with 4 assists, playing a total of 731 minutes.
On 21 February 2025, Leahy joined National League South side Maidstone United on loan for the remainder of the season. At Maidstone, he has featured as a striker, as well as on both the left and right wings. During his time with the club, he scored 3 goals and provided 4 assists, helping them reach the 2025 National League Play-off final, during which Maidstone manager George Elokobi described Leahy contributions as absolutely electric. 
Leahy was released by Millwall at the end of the 2024–25 season.
Non-League.
On 2 June 2025, Leahy agreed to join recently relegated Isthmian League Premier Division side Welling United.