All indoor and outdoor sporting events will resume to full capacity from tomorrow.
Munster Rugby will be the first big beneficiary of the move, which is one of a suite of changes announced this evening by Taoiseach Micheál Martin.
The province hosts Wasps in their final Champions Cup pool game at Thomond Park on Sunday afternoon and Munster, at short notice, plan to fill 16,000 seats of the 25,600 capacity of their famous Limerick ground.
The national basketball finals are also taking place this weekend, along with a large number of GAA club and intercounty fixtures.
Before Christmas, the Government re-introduced restrictions on the amount of spectators that could attend games following the emergence of the Omicron wave of Covid-19.
Capacity was limited to 50% and capped at 5,000 for outdoor events.
Indoor events were subject to an 8pm curfew and a maximum capacity of 1000 spectators or 50% of capacity.
Crowd limits were put in place until January 30, and rugby and racing were among the sports badly effected by the restrictions.
Leopardstown went ahead with it's festive racing festival, but it took place behind closed doors.