Baron Dunboyne
| Barony of Dunboyne | |
|---|---|
| Blazon 
 | |
| Creation date | 11 Jun 1541 | 
| Creation | Second | 
| Created by | King Henry VIII | 
| Peerage | Peerage of Ireland | 
| First holder | Edmond Butler, 1st Baron Dunboyne | 
| Present holder | Richard Pierce Theobald Butler, 20th Baron Dunboyne | 
| Heir apparent | the Hon. Caspian Fitzwalter Butler | 
| Status | Extant | 
| Seat(s) | Argos Hill House | 
| Motto | TIMOR DOMINI FONS VITAE The fear of the Lord is the fountain of life | 
Baron Dunboyne was a title first held by the Petit family some time after the Norman invasion of Ireland.