Eir Sport 1 (formerly Setanta Ireland) was an Irish pay television sports channel featuring local and international sporting events. The channel is available on some basic cable packages in Ireland, while it is available upon direct subscription to the Eir Sport package on other networks across Ireland. Its former sister channel is the subscription based network Eir Sport 2.

In June 2013, Setanta Sports signed a long-term agreement with BT Sport to distribute these channels within the Republic of Ireland. In November 2015, Irish telecommunications company Eir acquired Setanta Sports. On 5 July 2016, Setanta Ireland was renamed Eir Sport 1.

On 15 August 2019, eir Sport and Virgin Media Sport contracted a deal to show Virgin Media Sport on eir Vision and eir Sport 1 on Virgin Media Ireland. On 13 August 2020, eir Sport 1 was removed from Virgin Media Ireland, as eir refused to pay the contracted distribution license fee.

Eir announced on 19 May 2021 that all of their sports channels would close before the end of the year. Eir Sport 1 shut down in Northern Ireland on the 30 June and so did X1 and X2. Eir Sport 2 closed on 20 July. Eir Sport 1 closed on 28 October, marking an end to the Eir Sport channels.

In Ireland, Eir Sport 1 broadcast League of Ireland, Setanta Sports Cup, Premier League (ROI only), Allianz Leagues GAA, F1, The Masters, The Open Championship, Europa League, Champions League, Roland Garros, Live Horseracing and Golf Channel programming.

For a brief period from June 2011, Setanta Ireland experimented with music programming and Irish films as part of its line-up.

In 2012 Setanta had the Irish rights to cover all of Liverpool's home games live in the 2012–13 UEFA Europa League group stage.

In August 2013, Setanta Ireland started showing Premier League Highlights for the first time. The new show Premier League Central took over from RTÉ who had previously held the rights. The show goes out on Saturday and Sunday nights and is hosted by Connor Morris.