Killeshin (Irish: Cill Uisean, meaning 'church of [the glen of] Uise')[1] is a village in County Laois, Ireland on the R430 regional road.

Killeshin is a small rural community situated five kilometres west of Carlow town and overlooks the picturesque Barrow Valley.

Killeshin was an important centre for learning and culture as early as the 6th or 7th century when a monastery was founded there by either St. Comgan or St.

[4][5][6][7] There are a number of references to Comgan and Diarmait in The Martyrology of Oengus the Culdee (1905) which state: Killeshin or Gleann Uissen,[2] was early known as a great scriptorium.

Until April 2019 the village was served by the Buggy Coaches Castlecomer-Crettyard-Carlow bus route with one journey into Carlow in the morning and one back in the afternoon.