Irish Astronomical Society
- Founded in 1937, this organisation provides details of meetings and activities, membership, records of observations, including photos, and news and links.
- http://homepage.eircom.net/~irishas/

Trinity Astronomy and Space Society
- College society website with information about events, the society and links.
- http://www.csc.tcd.ie/~tass/

Dunsink Observatory
- Information about the observatory, its archives and databases, staff and some good links.
- http://www.dunsink.dias.ie/

Dublin Night Sky Observer
- Resource for (primarily Irish) astronomy and space buffs which features news, articles, local weather, "Skydiary", software and links to a range of astronomical and space-related subjects.
- http://indigo.ie/~gnugent/dnso/

Astronomy Ireland
- Details of this Irish national space-interest association, with sky and space news, including details of upcoming events, links and general information.
- http://www.astronomy.ie/

Astronomical Science Group of Ireland (ASGI)
- This scientific collaboration body for astronomers, physicists and technicians across Ireland presents details of events, clubs and societies, research groups, contacts and links.
- http://www.arm.ac.uk/asgi/