Cornelius Kipng'eno Arap Korir (6 July 1950 – 30 October 2017) was a prelate of the Roman Catholic Church who served as Bishop of the Diocese of Eldoret.
Arap Korir was consecrated as bishop of the Diocese of Eldoret, Kenya on 2 June 1990 and served there until his death on 30 October 2017.
Bishop Cornelius Kipng'eno Arap Korir was born on 6 July 1950 in Segutiet Village, Bomet District, Kericho Dioceses in Rift Valley Province.
He first came to wider notice after mediating between Marakwet and Pokot clashes at Kapsait, where he managed to build a church as a symbol of unity.
The peace ambassador was able to start a radio station in the cathedral church of Eldoret and named it Upendo FM (meaning "love") in 2013.