Keoghan played hurling at all levels during his time as a student at
St Kieran's College in
Kilkenny. As a member of the college's senior hurling team, he won three consecutive
Leinster PPS SAHC medals, as well as back-to-back
All-Ireland PPS SAHC medals in 2015 and 2016. Keoghan later lined out with
University of Limerick in the
Fitzgibbon Cup. At club level, Keoghan first played for
Tullaroan at juvenile and underage levels, winning Kilkenny MAHC and Kilkenny U21BHC titles in 2016. He also made his adult team debut that year and won
Kilkenny IHC and
Leinster Club IHC medals in 2019. Keoghan scored 2-01 from centre-forward when Tullaroan beat
Fr O'Neill's by 3-19 to 5-12 in the
2020 All-Ireland Club IHC final. At inter-county level, Keoghan first played for
Kilkenny at
minor level in 2016. He progressed to the
under-21 team and was part of the Kilkenny team beaten by
Limerick in the
2017 All-Ireland under-21 final. Keoghan was also part of the intermediate team that year and won an
All-Ireland IHC medal after a 2-23 to 2-18 defeat of
Cork. Keoghan made his
senior team debut in the
2018 Walsh Cup. He claimed his first senior silverware in 2018 when Kilkenny claimed the
National Hurling League title, before adding a second league title to his collection in 2021. Keoghan won six consecutive
Leinster SHC medals between 2020 and 2025. He was also part of the Kilkenny team beaten by
Limerick in back-to-back
All-Ireland finals in 2022 and 2023. Keoghan won his first All Star Award in 2025, following in the footsteps of his father,
Liam Keoghan, who won an All Star in 1997. ==Career statistics==