The Irish Chamber Orchestra (ICO) is an Irish classical music ensemble, administratively based at the University of Limerick. The ICO primarily gives concerts at the University Concert Hall, Limerick and at the RDS (Royal Dublin Society) Concert Hall, Dublin. The ICO has also performed in other Irish cities, including Tuam, Wexford, Kinsale, Skibereen, Portmagee, Kilkee, Castleblaney, Omagh, Sligo, Clifden, Ennis and Thurles.