The longest was almost 7 hours and 10 minutes to a call in Waterford
It took over four hours for an ambulance to arrive at a life-threatening emergency call, 94 times last year.
According to freedom of information figures, 21 were over five hours.
The HSE aims to respond to life-threatening heart and respiratory calls within 18 minutes and 59 seconds in 80 per cent of cases.
Other life-threatening emergencies should be responded to within the same timeframe in 50% of cases.
On almost 6,200 occasions last year, it took over an hour for an ambulance to respond to either of these types of calls.
The longest was almost 7 hours and 10 minutes to a call in Waterford.
That was followed by over 6 hours to calls in Cork and Westmeath.
A total of 233 response times were over 3 hours.
The Oireachtas health committee will discuss ambulance services, including response times, with the National Ambulance Service and Dublin Fire Brigade this morning.
David Hall is the chief executive of Lifeline Ambulance Service:

Body Found At Wheatfield Prison Sparks Garda Investigation
Families Could Face €1,000 Rise In Annual Food Bills Amid Farming Crisis
Over Half of Cigarette Packs Surveyed In Newbridge And Naas Had No Irish Duty Paid
Celbridge Brewery CEO Warns Of Mounting Costs Facing Craft Beer Sector
Amhrán na Laoch Songwriting Competition Confirmed for Irish Music Month 2026
Government Announces Major Overhaul of Anti-Money Laundering Rules
Maynooth University Hosts Special Solar Eclipse Event This Evening
Johnstown Mother Says Today's Solar Eclipse Means Something Extra Special For Her And Her Son