1602 in Ireland

• Monarch: Elizabeth I

• January 3 – Nine Years' War: The English defeat Irish rebels and their Spanish allies at the siege of Kinsale. (The battle happens on this date according to the Gregorian calendar used by the Irish and Spanish but on Thursday, 24 December, 1601 according to the old Julian calendar used by the English.)
• January 12 – Juan del Águila surrenders the Spanish troops in Ireland.
• June 5–18 – Nine Years' War: The English defeat Irish rebels at the siege of Dunboy. The Jesuit chaplain Dominic Collins is arrested, tortured and hanged by the English at Youghal.{{cite book|last=Forristal|first=D.|title=Dominic Collins: Irish martyr, Jesuit brother|location=Dublin|year=1992}}
• June – Hugh O'Neill, Earl of Tyrone abandons and burns his capital Dungannon.

• The first New Testament translation into Irish (Tiomna Nuadh), completed by William Daniel, Prebendary of St Patrick's Cathedral, Dublin, is published.

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• August 17? – Sir Christopher Nugent, nobleman (b. 1544)
• September 10 – Hugh Roe O'Donnell, Prince of Tyrconnell, leader in the Nine Years War (b. 1572)
• October 31 – Dominic Collins, Catholic martyr (b. 1566)
• December 31 – Maoilín Óg Mac Bruaideadha, poet.
• Sir Edmund Butler of Cloughgrenan, rebel (b. 1534)
• Edmund Butler, 2nd Viscount Mountgarret, nobleman (b. c.1562)

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{{Years in Ireland}}

{{Year in Europe|1602}}

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