Around 57,000 people are waiting for their passport applications to be processed with the service paused since December under Level 5 restrictions.
The Irish Council for Civil Liberties said it s difficult to understand why this essential service can t be provided now.
Its Executive Director Liam Herrick said passports are needed not only for travel but for identification and for accessing services.
The Immigrant Council of Ireland said it has received numerous calls from migrants who applied for a passport just before the lockdown.
Colin Lenihan, Information and Support Service Cordinator with the ICCL, said they now find themselves without their passport, with their own identity documents being held in the Passport Office .