Daniel Boyle (born 14 August 1962) is an Irish Green Party politician and author who served as Deputy leader of the Seanad from 2007 to 2011.

He was the Green Party Spokesperson for Finance, Social and Family Affairs and Community, Rural Development and the Islands during the 29th Dáil.

He was an unsuccessful candidate for the Green Party in the 2009 European Parliament election for the South constituency.

He was an unsuccessful Green Party candidate for Cork City Council at the 2014 local elections.

[13] The Southern Star reported in October 2020 that Boyle was a voluntary board member of CHA, an Approved Housing Body (2020).

[16][17] Boyle has served as Vice President of the National Youth Council of Ireland and Chair of NASC, the Irish Immigrant Support Agency.

[21] He has authored three books on political history - A Journey to Change (2006); Without Power of Glory (2012) and Making Up The Numbers (2017).

He was later hired by the Wales Green Party in 2015, as their campaign manager for the 2016 Welsh Assembly election.