Coolmine (Irish: Cúil Mhín, meaning 'smooth corner')[1] is a primarily residential suburb of Dublin, Ireland, in the jurisdiction of Fingal.

Public transport in Coolmine is provided by Dublin Bus, with route numbers 37 and 39 serving the area.

Its main path is often used as a shortcut for people heading towards the Blanchardstown Shopping Centre or by schoolchildren attending Coolmine Community School.

[citation needed] The Millennium Park is located between Coolmine and the Blanchardstown Shopping Centre.

The park is run by Fingal County Council and its amenities include two all-weather astro pitches, a children's playground, a dog pen, a skatepark, and exercise stations.