Eamonn or Eamon may refer to:
- Eamonn (given name), an Irish male given name
- Eamon (singer), Eamon Jonathan Doyle, professionally known as Eamon, an American R&B singer-songwriter
- Eamon (video game), a computer role-playing game for the Apple II
- Eamonn an Chnuic (Ned of the Hill), an Irish song
- Eamon Valda, fictional character in Robert Jordan's fantasy book series The Wheel of Time
- Eamonn mac Grainne, fictional character in Jacqueline Carey's book series Kushiel's Legacy