| class="wikitable"
! Name
! Took office
! Left office
! Notes |
| Itubwa Amram
|1968
|January 1971
| |
| Kenas Aroi
|January 1971
|January 1977
|{{citation needed|date=September 2019}} |
| Samuel Tsitsi
|January 1977
|April 1977
|{{citation needed|date=September 2019}} |
| David Peter Gadaraoa
|April 1977
|August 1981
| |
| Ruben Kun
|August 1981
|12 December 1986
|[{{cite web |publisher=Nauru Government Gazette |title=Government Gazette: 22nd October 1986 |url=http://ronlaw.gov.nr/nauru_lpms/files/gazettes/b308e86c3126c5eb44692a7bcc42c259.pdf |website=Ronlaw.gov.nr}}] |
| René Harris
|December 1986
|December 1986
|[{{Cite web|url=https://www.rnz.co.nz/international/pacific-news/397679/nauru-s-new-president-goes-for-freshness-in-cabinet|title=Nauru's new president goes for freshness in cabinet|date=August 28, 2019|website=RNZ }}] |
| Kinza Clodumar
|December 1986
|December 1986
| |
| Pres Nimes Ekwona
|22 December 1986
|18 September 1987
|[{{cite web |publisher=Nauru Government Gazette |title=Government Gazette: 30th December 1986 |url=http://ronlaw.gov.nr/nauru_lpms/files/gazettes/31eb7fb1b1d27fb235ebe15bd5b30b74.pdf |website=Ronlaw.gov.nr}}] |
| Derog Gioura
|18 September 1987
|17 November 1992
|[{{Cite web|url=http://www.paclii.org/nr/legis/num_act/npfa1987267/|title=Nauru Police Force (Amendment) Act 1987|website=www.paclii.org}}] |
| Paul Denebaua Jeremiah
|18 November 1992
|21 November 1995
|[{{Cite web|url=http://www.paclii.org/nr/legis/num_act/ronfca1995446/|title=Republic of Nauru Finance Corporation (Amendment) Act 1995|website=www.paclii.org}}] |
| Maein Deireragea
|21 November 1995
|12 February 1997
|[{{Cite web|url=http://www.paclii.org/nr/legis/num_act/cala1995327/|title=Civil Aviation (Carriers' Liability) Act 1995|website=www.paclii.org}}] |
| Kennan Adeang
|12 February 1997
|12 December 1998
|[{{cite web |publisher=Nauru Government Gazette |title=Fisheries Act 1997 |url=http://ronlaw.gov.nr/nauru_lpms/files/acts/d0dfe3619bee539d57dfc65f791f509e.pdf |website=Ronlaw.gov.nr}}] |
| Ludwig Keke
|12 December 1998
|12 April 2000
|[{{cite web |publisher=Nauru Government Gazette |title=Act No. 1 of 1999|url=http://ronlaw.gov.nr/nauru_lpms/files/acts/fb9992b27b3912d01b0586a54de4aaea.pdf |website=Ronlaw.gov.nr}}] |
| Ludwig Scotty
|13 April 2000
|29 March 2001
|[{{Cite web|url=http://www.naurugov.nr/parliament-of-nauru/members/members-21st-parliament/hon-ludwig-scotty-mp-member-for-constituency-of-anabar/profile.aspx|archive-url=https://web.archive.org/web/20190824211738/http://www.naurugov.nr/parliament-of-nauru/members/members-21st-parliament/hon-ludwig-scotty-mp-member-for-constituency-of-anabar/profile.aspx|url-status=dead|archive-date=August 24, 2019|title=Profile - The Government of the Republic of Nauru|date=August 24, 2019}}] |
| Aloysius Amwano
|29 March 2001
|30 March 2001
|[{{Cite web|url=http://www.naurugov.nr/parliament-of-nauru/members/members-20th-parliament/hon-aloysius-amwano-mp-member-for-ubenide/profile.aspx|archive-url=https://web.archive.org/web/20190824211304/http://www.naurugov.nr/parliament-of-nauru/members/members-20th-parliament/hon-aloysius-amwano-mp-member-for-ubenide/profile.aspx|url-status=dead|archive-date=August 24, 2019|title=Profile - The Government of the Republic of Nauru|date=August 24, 2019}}] |
| Ludwig Scotty
|25 May 2001
|19 December 2002
| |
| Vassal Gadoengin
|December 2002
|20 January 2003
|[{{Cite web|url=http://www.pireport.org/articles/2003/03/14/nauru-finds-speaker-parliament|title=Nauru Finds Speaker of Parliament | Pacific Islands Report|website=www.pireport.org|access-date=2019-08-29|archive-date=2021-09-02|archive-url=https://web.archive.org/web/20210902124740/http://www.pireport.org/articles/2003/03/14/nauru-finds-speaker-parliament|url-status=dead}}] |
| Ross Cain
|13 March 2003
|6 May 2003
|[{{Cite web|url=https://www.abc.net.au/news/2003-03-13/nauru-parliament-breaks-speaker-stalemate/1816584|title=Nauru Parliament breaks Speaker stalemate|date=March 13, 2003|website=ABC News}}] |
| Godfrey Thoma
|6 May 2003
|7 May 2003
| |
| Fabian Ribauw
|29 May 2003
|8 August 2003
|[{{Cite web|url=http://www.naurugov.nr/media/31009/14-8.8.2003__v__first-third-fifteenth.pdf|archive-url=https://web.archive.org/web/20190824221924/http://www.naurugov.nr/media/31009/14-8.8.2003__v__first-third-fifteenth.pdf|title=Votes & Proceedings of the Fifteenth Parliament No. 14|url-status=dead|archive-date=August 24, 2019|date=August 24, 2019}}] |
| Nimrod Botelanga
|8 August 2003
|24 February 2004
|[{{Cite web|url=http://www.naurugov.nr/media/31024/20-24.2.2004__v__second-seventh-fifteenth.pdf|archive-url=https://web.archive.org/web/20190824221859/http://www.naurugov.nr/media/31024/20-24.2.2004__v__second-seventh-fifteenth.pdf|url-status=dead|archive-date=August 24, 2019|title=Votes & Proceedings of the Fifteenth Parliament, No. 20|date=August 24, 2019}}] |
| Ludwig Scotty
|24 February 2004
|6 April 2004
| |
| Terangi Adam
|6 April 2004
|29 April 2004 - ?
|acting[{{Cite web|url=http://www.naurugov.nr/media/31039/25-15.4.2004__v__fourth-eighth-fifteenth.pdf|title=Votes & Proceedings of the Fifteenth Parliament No. 25|archive-url=https://web.archive.org/web/20190824221926/http://www.naurugov.nr/media/31039/25-15.4.2004__v__fourth-eighth-fifteenth.pdf|url-status=live|date=15 April 2004|archive-date=24 August 2019}}] |
| David Adeang
|May 2004
|22 June 2004
|[{{Cite web|url=http://www.paclii.org/nr/legis/num_act/tfpa2004306/|title=Treasury Fund Protection Act 2004|website=www.paclii.org}}] |
| Riddell Akua
|June 2004
|15 July 2004
|[{{Cite web|url=http://www.paclii.org/nr/legis/num_act/ltifa2004463/|title=Long Term Investment Fund (Sequesteration) Act 2004|website=www.paclii.org}}][{{Cite web|url=http://www.naurugov.nr/media/31054/49-15.7.2004__v__first-tenth-fifteenth.pdf|archive-url=https://web.archive.org/web/20190824221855/http://www.naurugov.nr/media/31054/49-15.7.2004__v__first-tenth-fifteenth.pdf|url-status=dead|archive-date=August 24, 2019|date=August 24, 2019}}] |
| Russell Kun
|15 July 2004
|26 October 2004
|[{{Cite web|url=http://www.paclii.org/nr/legis/num_act/pca2004157/|title=Price Control Act 2004|website=www.paclii.org}}] |
| Vassal Gadoengin
|26 October 2004
|15 December 2004
|[{{Cite web|url=http://www.naurugov.nr/media/30882/1-26.10.2004__v__first-first-sixteenth.pdf|title=Votes & Proceedings of the Sixteenth Parliament No. 1|archive-url=https://web.archive.org/web/20190824223954/http://www.naurugov.nr/media/30882/1-26.10.2004__v__first-first-sixteenth.pdf|url-status=live|date=26 October 2004|archive-date=24 August 2019}}] |
| Valdon Dowiyogo
|27 December 2004
|December 2007
| |
| Riddell Akua
|December 2007
|18 March 2008
|resigned |
| David Adeang
|20 March 2008
|18 April 2008
|removed from office[http://ronlaw.gov.nr/nauru_lpms/files/gazettes/d378aca95876cbeb4dc04bef6868b92b.pdf {{Bare URL PDF|date=March 2022}}] |
| Riddell Akua
|29 April 2008
|13 March 2010
|resigned[{{Cite web|url=http://www.naurugov.nr/media/30855/no._31__v__first-nineteenth-eighteenth__13_march_2010_.pdf|title=Votes and Proceedings of the Eighteenth Parliament No. 31|archive-url=https://web.archive.org/web/20190824222400/http://www.naurugov.nr/media/30855/no._31__v__first-nineteenth-eighteenth__13_march_2010_.pdf|url-status=live|date=13 March 2010|archive-date=24 August 2019}}] |
| Dominic Tabuna
|13 March 2010
|27 April 2010
|acting[{{Cite web|url=http://www.naurugov.nr/media/30858/no._32__v___second-nineteenth-eighteenth__16_march_2010_.pdf|archive-url=https://web.archive.org/web/20190824222515/http://www.naurugov.nr/media/30858/no._32__v___second-nineteenth-eighteenth__16_march_2010_.pdf|url-status=dead|archive-date=August 24, 2019|date=August 24, 2019}}] |
| Shadlog Bernicke
|27 April 2010
|13 May 2010
|[http://ronlaw.gov.nr/nauru_lpms/files/gazettes/c5ccbbd58602afae6d068863ea5d152a.pdf {{Bare URL PDF|date=March 2022}}] |
| Godfrey Thoma
|13 May 2010
|18 May 2010
|resigned[{{Cite web|url=http://www.naurugov.nr/media/30744/no._6__v__sixth-first-nineteenth__13_may__2010_.pdf|archive-url=https://web.archive.org/web/20190824224205/http://www.naurugov.nr/media/30744/no._6__v__sixth-first-nineteenth__13_may__2010_.pdf|url-status=dead|archive-date=August 24, 2019|date=August 24, 2019}}] |
| Dominic Tabuna
|1 June 2010
|4 June 2010
|resigned |
| Aloysius Amwano
|2 July 2010
|July 2010
|removed from office |
| Landon Deireragea
|9 July 2010
|1 November 2010
|acting |
| Ludwig Scotty
|1 November 2010
|18 April 2013
|resigned |
| Landon Deireragea
|18 April 2013
|25 April 2013
|acting |
| Godfrey Thoma
|25 April 2013
|28 May 2013
|[{{cite web |title=Hon Godfrey Thoma MP - Member for Aiwo - The Government of the Republic of Nauru |url=http://www.naurugov.nr/parliament-of-nauru/members/members-20th-parliament/hon-godfrey-thoma-mp-member-for-aiwo.aspx |archive-url=https://web.archive.org/web/20140404194954/http://www.naurugov.nr/parliament-of-nauru/members/members-20th-parliament/hon-godfrey-thoma-mp-member-for-aiwo.aspx |archive-date=2014-04-04 |date=4 April 2014}}] lost seat after 2013 elections. |
| Ludwig Scotty
|11 June 2013
|July 2016
|lost seat after 2016 elections. |
| Cyril Buraman
|13 July 2016
| August 2019
|lost seat after 2019 elections |
| Marcus Stephen
|27 August 2019
|Incumbent
|[{{Cite web|url=https://www.rnz.co.nz/international/pacific-news/397576/aingimea-chosen-as-waqa-s-successor-in-nauru|title=Aingimea chosen as Waqa's successor in Nauru|date=August 27, 2019|website=RNZ }}] |