Airport authorities are reporting there is no disruption to flights.
One photograph from the scene shows the tip of the wing of one of the aircraft clipped off after the incident.
Fire tenders were at the scene as a matter of precaution.
A Dublin Airport Authority spokesman told independent.ie that nobody was injured during the incident which occurred just before 7am on a taxiway intersection.
The Irish Air Accident Investigation Unit is expected to launch a full investigation into the incident in keeping with procedures.
The flight schedule at the airport was operating normally less than half an hour later with some minor delays reported.
Ryanair has yet to comment on the incident.
Sourced from Travel Weekly