1600 in Ireland

Centuries:	14th; 15th; 16th; 17th; 18th;
Decades:	1580s; 1590s; 1600s; 1610s; 1620s;
See also:	Other events of 1600 ; List of years in Ireland

Events from the year 1600 in Ireland.

Incumbent

January – Nine Years' War against England is renewed by Hugh O'Neill, 2nd Earl of Tyrone, with an invasion of Munster.^[1]
27 January – Colonel Richard Wingfield is made Marshal of Ireland by Queen Elizabeth.
18 February – Nine Years' War: Rebel cavalry in Munster led by Hugh Maguire (Lord of Fermanagh) are intercepted and their leaders killed.
15 May – Nine Years' War: Chief Niall Garbh Ó Domhnaill betrays the Irish alliance and allows Henry Docwra to land at Lough Foyle with an expeditionary force of 4,000 men. In a devastating blow to the rebels, Docwra sets up a series of fortifications along the River Foyle, cutting access between Tír Eoghain and Tyrconnell.
20 September – 9 October: the Battle of Moyry Pass is fought. Lord Mountjoy's English forces eventually break through Hugh O'Neill's defences in County Armagh and establish a short-lived garrison at Mountnorris but later retreat.

18 February – Hugh Maguire, Lord of Fermanagh and prominent rebel leader, is killed in Munster.
Baothghalach Mór Mac Aodhagáin, poet (b. 1550)