In order to drive in Ireland, you must have a valid driving licence.
The National Driving Licence Service (NDLS) is responsible for issuing driving licences https://www.ndls.ie
Before driving, it is important to check if your driving licence from your home country is eligible for use in Ireland. Further information can be found at:
The NDLS website also provides information about how to exchange your foreign driving licence for an Irish one – if you are from an eligible country.