Joanna Byrne is an Irish Sinn Féin politician who has been a Teachta Dála (TD) for the Louth constituency since the 2024 general election.

Om 28 January Byrne was appointed Sinn Féin Spokesperson on Arts, Sport, Communications, Culture & Media.

She supported campaigns for Drogheda to achieve city status and worked on local issues such as road safety, crime, and anti-social behaviour.

She ran to fill the seat vacated by Imelda Munster and campaigned on priorities including affordable housing, improved healthcare access, and investment in community facilities.

[4] On election, Byrne reiterated her call for city status for Drogheda, along with addressing local housing issues and advocating for enhanced services for constituents.