Cathy Davey (born Dublin, Ireland (Republic of Ireland) in 1979) is an Irish (Irish people) singer-songwriter. She has released one extended play, "Come Over" (2004), and three albums, Something Ilk (2004) and Tales of Silversleeve (2007). Her second album garnered her a Choice Music Prize nomination (Choice Music Prize#Irish Album of the Year 2007), Meteor Award for Best Irish Female (2008 Meteor Awards#Best Irish Female), and spawned a number of successful singles including "Reuben", "Moving" and "Sing for Your Supper". Her third album, The Nameless (The Nameless (album)), was released in 2010.

Davey has performed at several international events, including representing Ireland (Ireland in the Eurosonic Festival) at the Eurosonic Festival in Groningen (Groningen (city)), the Netherlands, and performing at the South by Southwest festival in Austin (Austin, Texas), Texas. She has also performed at other large exhibitions and festivals in Ireland, including Electric Picnic, Indie-pendence and The Music Show (The Music Show (Ireland)). Davey has worked with Autamata, Elbow (Elbow (band)) and The Duckworth Lewis Method as well as providing support for Graham Coxon, R.E.M. and Supergrass.

The Irish Times placed Davey third in a list of "The 50 Best Irish Acts Right Now" published in April 2009, saying "Theres no better female songwriter in Irish music right now". Tales of Silversleeve was named sixth best Irish album of 2007 by John Meagher of the Irish Independent and ninth best album of the decade by Jim Carroll (Jim Carroll (journalist)), Tony Clayton-Lea and Lauren Murphy of The Irish Times.