| Honorific-Prefix: | The Honourable |
| Dominic Tabuna | |
| Honorific-Suffix: | MP |
| Constituency Mp: | Yaren |
| Parliament: | Nauruan |
| Predecessor: | Pres Ekwona |
| Successor: | Charmaine Scotty |
| Term Start: | 23 October 2004 |
| Term End: | 8 June 2013 |
| Office2: | Speaker of the Parliament of Nauru |
| Predecessor2: | Riddell Akua |
| Successor2: | Shadlog Bernicke |
| Term Start2: | 13 March 2010 |
| Term End2: | 27 April 2010 |
| Predecessor3: | Godfrey Thoma |
| Successor3: | Aloysius Amwano |
| Term Start3: | 1 June 2010 |
| Term End3: | 4 June 2010 |
| Birth Date: | 9 August 1980 |
| Birth Place: | Nauru |
| Residence: | Yaren |
Dominic Joselito Tabuna (born 9 August 1980) is a Nauruan politician.
Tabuna was elected to parliament in the 2004 general elections, gaining the seat of Pres Ekwona.
He has been subsequently re-elected in 2007 and 2008. Tabuna was defeated for re-election in 2013.
He served as the Deputy Speaker of the Parliament of Nauru[1] and represented the Yaren Constituency in the Parliament of Nauru, and was Speaker of the Parliament of Nauru from 1 to 4 June 2010.[2]