Lorcan John Tucker is an Irish international cricketer who was born on 10 September 1996 in Dublin, Leinster, Ireland. Tucker is a right-handed wicket-keeper batsman who has represented the senior national team in both forms of white-ball cricket. Currently, he plays for Leinster Lightning in the Irish domestic circuit.

Tucker made his List A debut for Leinster Lightning in the 2017 Inter-Provincial Cup on 4 June 2017. He made his first-class debut for Leinster Lightning in the 2017 Inter-Provincial Championship on 5 June 2017. In April 2019, he was one of five cricketers to be awarded with an Emerging Player Contract by Cricket Ireland, ahead of the 2019 domestic season. In June 2019, Tucker was named in the Ireland Wolves squad for their home series against the Scotland A cricket team.

Tucker made his international debut for Ireland against Hong Kong on 5 September 2016 in a T20I match. In January 2019, Tucker was named in Ireland's T20I squad for the Oman Quadrangular Series. At the same time, he was also named in Ireland's Test, ODI and T20I squads for their series against Afghanistan in India, but he did not play during the tour. In April 2019, he was named in Ireland's ODI squads for the one-off match against England and the 2019 Ireland Tri-Nation series. He made his ODI debut for Ireland against England on 3 May 2019.

In September 2019, Tucker was named in Ireland's squad for the 2019 ICC T20 World Cup Qualifier tournament in the United Arab Emirates. On 10 July 2020, Tucker was named in Ireland's 21-man squad to travel to England to start training behind closed doors for the ODI series against the England cricket team. In February 2021, Tucker was named in the Ireland Wolves' squad for their tour to Bangladesh. In September 2021, Tucker was named in Ireland's provisional squad for the 2021 ICC Men’s T20 World Cup and then a year later for the 2022 edition of the same tournament.