Kilcornan (Irish: Cill Churnáin) is a civil parish in County Limerick. It is about seventeen kilometres west of Limerick city on the N69. According to the 2006 census of Ireland the population of Kilcornan was 671, an increase of 39 since 2002. There is a Catholic church and a National School on the main road as well as a public house and shop. Apart from Curraghchase the next most visited tourism site in Kilcornan is the Stonehall Visitor Park. There is also a noted go kart track. It is located across the River Shannon from Shannon Airport, County Clare.
Lewis's Topographical Dictionary notes that the earliest identifiable settlements in Kilcornan were Danish. The lands changed hands several times during the Tudor era. A large part of the parish was granted to Hardress Waller, one of Cromwell's generals. Curraghchase, the ancestral home of Aubrey de Vere is in Kilcornan.
Dr Patrick F.Wallace, former Director of the National Museum of Ireland was born in Kilcornan and attended the local National School.
More recently Kilcornan is known as the birthplace of mountaineer Ger McDonnell who became the first Irishman to summit K2 in August 2008 but went missing along with 10 others on the decent in the worst single accident in the history of K2 mountaineering, all were later confirmed dead.