Two of the men involved were taken to Beaumont hospital for stab wounds.
The incident occurred on the Main Street in Swords at approximately 10:45pm.
The injuried men are aged 19 and 21, and their injuries are said to be non life-threatening.
Gardaí are appealing for witnesses as an investigation continues.
Anyone with information is asked to contact Swords Garda Station 01 6664700 or the Garda Confidential Line 1800 666 111.
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