Over 5,000 have been awaiting an appointment for over 18 months.
There are over 20,000 people on the respiratory waiting list in Ireland.
The figures come from Roscommon/Galway TD Denis Naughten, which show that 30 of those on the list are in the Midlands Regional Hospital Portlaoise.
Of those, five have been waiting between 12 and 18 months, eight between six and 12 months, and 17 have been waiting up to six months for a respiratory appointment.
Nationally, 5,771 people have been on the waiting list for over 18 months.
The longest wait time is in University Hospital Limerick, where 2,763 people are awaiting respiratory appointments.
Over 100 Jobs Created In Laois Following MyPay Contract
New Laois Domestic Violence Refuge Moves To Design Stage
Laois Hurlers To Receive Civic Honour Following Joe McDonagh Cup Success
TUS Research Centre Launches New Breastfeeding Support Toolkit
Dentists Set For Industrial Action This Month
Offaly TD Backs Tighter Citizenship Requirements
Laois Youth Worker Calls For Young People To Have Their Say On Proposed Culture Cards
Calls Made For More Facilities For Young People In Laois