Tyrrelstown (Irish: Baile an Tirialaigh) is a townland in Fingal, County Dublin, Ireland, in the civil parish of Mulhuddart.

[1] It is located 13 km northwest of the city of Dublin, and is often considered as part of the greater Blanchardstown area.

There is a Foróige youth service located in the local community centre and it is aimed at young people between the ages of 10–18.

[7] The retail facilities that serve the residents (Tyrrelstown Town Centre, Carlton Hotel[8] a creche, Lidl and SuperValu supermarkets) are located in the neighbouring townlands of Hollywood-Rath[9] and Cruiserath.

A N2–N3 link road was completed in May 2013 and passes by Tyrrelstown, improving the development linkages to the M2 (Dublin-north east motorway).