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Of the 8 Computer Science & IT universities in Ireland, Trinity College Dublin ranks highest at #75 in the QS World University Rankings 2026. University College Dublin (QS World #118) and University of Galway (QS World #273) complete the top three. Across the whole list there are 20 courses to choose from.
8 universities · ranked best first
how we rankPublic University · 1 course in Computer Science & IT
Public University · 3 courses in Computer Science & IT
Public University · 3 courses in Computer Science & IT
Public University · 2 courses in Computer Science & IT
Public University · 1 course in Computer Science & IT
Public University · 8 courses in Computer Science & IT
Public University · 1 course in Computer Science & IT
Public University · 1 course in Computer Science & IT
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4 of these universities hold a QS World position, from #75 (Trinity College Dublin) to #410 (Dublin City University); they are listed first, in that order. Below them, universities follow their research output: Trinity College Dublin is cited most (8,069,949 citations). 2 universities have neither a QS position nor a research record yet and appear at the end, marked "Not yet ranked".
8 are public and 0 private (100% public). By location, Leinster (3) and Connacht (1) account for the most of those we can place. The oldest is Trinity College Dublin, founded in 1592. University College Dublin is the largest, with 33,000 students.
By level: 8 bachelor's, 8 master's, 1 diploma and 1 phd / doctorate. The usual length is 4 years and 1 year. 85% are full-time. Start dates lean to Fall (100% of courses with a stated intake) and Spring (62% of courses with a stated intake). National College of Ireland offers the widest choice, with 8 of these courses.
We hold indicative fees for 4 of these universities. Dublin City University is the least expensive at USD 20,000 a year and Trinity College Dublin the most at USD 27,000; the middle of the range is about USD 26,000. Check each university's own fee page before you budget — figures change every year.
Trinity College Dublin (QS World #75), University College Dublin (QS World #118) and University of Galway (QS World #273) lead this list. QS World positions come first; the rest are ranked by research impact.
Of those with published fees, Dublin City University is the least expensive at about USD 20,000 a year. Fees are indicative — confirm on the university's site.
8 public and 0 private universities are on this list.
Most listed courses run 4 years, with 1 year the next most common.
Fall is the main intake — 100% of courses with a stated start date begin then, and Spring is the second.
National College of Ireland, with 8, ahead of University of Galway (3).
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