The Ginger Ale Boy (1995) – Corcadorca Theatre Company, Granary Theatre, Cork.
Disco Pigs (1996) – Corcadorca Theatre Company, Triskel Arts Centre, Cork. Dublin Fringe Festival, Traverse Theatre, Edinburgh Festival, West End, London. & world tour.
Misterman (1999) – Corcadorca Theatre Company, Granary Theatre, Cork. Origin Theatre, New York, Washington and Dublin. Galway International Arts Festival, Black Box Theatre, Galway (2011): St. Ann's Warehouse, New York (2011). National Theatre, London.
Bedbound (2000) – Dublin Theatre Festival, New Theatre, Dublin. Traverse Theatre, Edinburgh Festival (Fringe First winner and Critic's Award 2001). New York. Royal Court, London.
Chatroom (2005) – Behind The Scenes Theatre Company, Buckhaven Theatre, Fife. National Theatre, London. & etc.
The New Electric Ballroom (2005) – Munich Kammerspiele. Traverse Theatre, Edinburgh Festival. World Tour including New York, Los Angeles, Perth and London[32]
The Small Things (2005) – Paines Plough Company, Menier Chocolate Factory, London. Druid Theatre Company, Galway Arts Festival.
The Walworth Farce (2006) – Druid Theatre Company, Town Hall Theatre, Galway. Edinburgh Festival. World Tour 2009–2010, including New York, Chicago, Minneapolis, Toronto, Los Angeles, Miami, Perth, Adelaide, Canberra, Sydney, Wellington, London, Salford, Oxford.
How These Men Talk (2008) – Zurich Schauspielhaus, Switzerland. Druid Theatre Company, Galway.
The Man in the Moon (2009) – co-written with Jack Healy, The Albany, Deptford, London.
My Friend Duplicity (2010) – Traverse Theatre, Edinburgh Festival.
Penelope (2010) – OberhausenTheater: Ruhr.2010, Druid Theatre Company, Galway;.[33] Traverse Theatre, Edinburgh Festival; world tour included Helsinki, New York and London, Steppenwolf Theater, Chicago (2011)
Sixty Six (2011) – Bush Theatre.
『ONCE ダブリンの街角で』 (2011) – New York Theatre Workshop (Off-Broadway: December 2011 – January 2012) and Bernard B. Jacobs Theatre (Broadway: from March 2012).
『バリーターク』 (2014) – The Galway International Arts Festival at the Black Box Theatre, the Olympia Theatre, the Cork Opera House and the National Theatre London.
Room 303 (2014) – The Galway International Arts Festival.
The Twits (2015) – April–May 2015 at the Royal Court Theatre, London.
A Girl's Bedroom (2015) – The Galway International Arts Festival, the Kennedy Arts Centre, Washington (May 2016).
The Last Hotel,[20] (2015) – August 2015 at the Edinburgh International Festival, Dublin Theatre Festival (September 2015), Royal Opera House, London (October 2015), and St. Ann's Warehouse, New York (January, 2016).
Kitchen (2016) – The Galway International Arts Festival.
Arlington (2016),[34][35][36] Leisureland, Galway (July 2016), The Abbey, Dublin (January 2017), St. Ann's Warehouse, New York (May 2017).
Rooms (2016) - The Galway Arts Festival, the Irish Arts Center, New York (May 2017).
The Same (2017) with Eileen and Catherine Walsh. Corcadorca Theatre Company. Premiered in February 2017 at Old Cork Prison.
The Second Violinist,[20] (2017) – July 2017 at the Galway International Arts Festival, the Dublin Theatre Festival (October 2017).
Bathroom (2017) – The Galway International Arts Festival.
^Ger FitzGibbon and Enda Walsh, "Enda Walsh, in Conversation with Ger FitzGibbon", in Anne Etienne, Thierry Dubost, ed, Perspectives on Contemporary Irish Theatre. Palgrave Macmillan, 2017, 175 - 190, p. 176.