Seán Ó Fearghaíl (pronounced [ˈʃaːn̪ˠ oː ˈfʲaɾˠiːlʲ]; born 17 April 1960) is an Irish Fianna Fáil politician who has been a Teachta Dála (TD) for the Kildare South constituency since 2002.

[3] Ó Fearghaíl won a Dáil seat on his fifth attempt following the 2002 general election, when he defeated the sitting Fine Gael TD Alan Dukes.

In July 2012, he was appointed as Spokesperson on Constitutional Reform, Arts and Culture, and Defence, while retaining the post of party whip.

[8] In May 2024, Ó Fearghaíl convened the Task Force on Safe Participation in Political Life, chaired by former Garda Commissioner Nóirín O'Sullivan.

[13] In his role as Ceann Comhairle, Ó Fearghaíl has been a vocal supporter of Chinese Government policy and increasing ties between Ireland and China.

[14] In 2018, he warned Teachtaí Dála and Senators that contact with Taiwan would "offend the Chinese government", and could damage Ireland's business and diplomatic relationship with China.