Tenure | Portrait | Incumbent | Notes |
Reichskommissar (1888) |
2 October 1888 to 3 October 1888 | ![](//upload.wikimedia.org/wikipedia/commons/thumb/1/1d/No_image.svg/60px-No_image.svg.png) | Franz Leopold Sonnenschein [cz] | |
Bezirksamtleute (1888–1905) |
3 October 1888 to 14 May 1889 | ![](//upload.wikimedia.org/wikipedia/commons/thumb/1/1d/No_image.svg/60px-No_image.svg.png) | Robert Rasch | Acting |
14 May 1889 to 1892 | ![](//upload.wikimedia.org/wikipedia/commons/thumb/1/1d/No_image.svg/60px-No_image.svg.png) | Christian Hermann Johannsen [cs] | |
1892 to 1897 | ![](//upload.wikimedia.org/wikipedia/commons/thumb/1/1d/No_image.svg/60px-No_image.svg.png) | Friedrich "Fritz" Jung | |
1898 to 1905 | ![](//upload.wikimedia.org/wikipedia/commons/thumb/1/1d/No_image.svg/60px-No_image.svg.png) | Ludwig Kaiser [cs] | |
Station chiefs (1906–1914) |
1 April 1906 to 1908 | ![](//upload.wikimedia.org/wikipedia/commons/thumb/1/1d/No_image.svg/60px-No_image.svg.png) | Konrad Geppert [cs] | |
1908 to 1911 | ![](//upload.wikimedia.org/wikipedia/commons/thumb/1/1d/No_image.svg/60px-No_image.svg.png) | Joseph Siegwanz | |
1911 to 1912 | ![](//upload.wikimedia.org/wikipedia/commons/thumb/1/1d/No_image.svg/60px-No_image.svg.png) | Karl Warnecke | |
1912 to 9 September 1914 | ![](//upload.wikimedia.org/wikipedia/commons/thumb/1/1d/No_image.svg/60px-No_image.svg.png) | Wilhelm Wostrack [cs] | First time |
British Commanding Officer of the Landing Party (1914) |
9 September 1914 (hours) | ![](//upload.wikimedia.org/wikipedia/commons/thumb/1/1d/No_image.svg/60px-No_image.svg.png) | Myles Aldington Blomfield | |
Station chief (1914) |
9 September 1914 to 6 November 1914 | ![](//upload.wikimedia.org/wikipedia/commons/thumb/1/1d/No_image.svg/60px-No_image.svg.png) | Wilhelm Wostrack [cs] | Second time |
Commanding Officer of the Australian Naval and Military Expeditionary Force [AN&MEF] (1914) |
6 November 1914 | ![](//upload.wikimedia.org/wikipedia/commons/thumb/7/74/William_holmes.jpg/60px-William_holmes.jpg) | Colonel William Holmes | Killed in the Battle of Messines (1917) |
Commanding Officer of the Australian Garrison Nauru (1914) |
6 November 1914 to 25 December 1914 | ![](//upload.wikimedia.org/wikipedia/commons/thumb/1/1d/No_image.svg/60px-No_image.svg.png) | Edward Creer Norrie | |
Administrators (1914–1942) |
25 December 1914 to December 1917 | ![](//upload.wikimedia.org/wikipedia/commons/thumb/1/1d/No_image.svg/60px-No_image.svg.png) | Charles Rufus Marshall Workman | |
December 1917 to 9 June 1921 | ![](//upload.wikimedia.org/wikipedia/commons/thumb/1/1d/No_image.svg/60px-No_image.svg.png) | Geoffrey Whistler Bingham Smith-Rewse | Aweida was the head chief of nauru |
10 June 1921 to 27 June 1927 | ![](//upload.wikimedia.org/wikipedia/commons/thumb/6/64/BG_T_Griffiths.jpg/60px-BG_T_Griffiths.jpg) | Thomas Griffiths | Daimon was the head chief of nauru |
27 June 1927 to 31 December 1932 | ![](//upload.wikimedia.org/wikipedia/commons/thumb/1/1d/No_image.svg/60px-No_image.svg.png) | William Augustin Newman | |
5 February 1929 to 1929 | | Unknown | Acting for Newman |
1 January 1933 to 17 January 1933 | | Unknown | Acting |
17 January 1933 to 31 August 1938 | ![](//upload.wikimedia.org/wikipedia/commons/thumb/1/1d/No_image.svg/60px-No_image.svg.png) | Rupert Clare Garsia | Timothy Detudamo was head chief of nauru |
1 September 1938 to 22 October 1938 | | Unknown | Acting |
22 October 1938 to 26 August 1942 | ![](//upload.wikimedia.org/wikipedia/commons/thumb/8/89/FrederickChalmers.jpeg/60px-FrederickChalmers.jpeg) | Frederick Royden Chalmers | Japanese prisoner 26 August 1942 – 25 March 1943; murdered in captivity |
Japanese Military Commanders (1942–1945) |
26 August 1942 to 7 March 1943 | ![](//upload.wikimedia.org/wikipedia/commons/thumb/1/1d/No_image.svg/60px-No_image.svg.png) | Hiromi Nakayama | |
7 March 1943 to 13 July 1943 | ![](//upload.wikimedia.org/wikipedia/commons/thumb/1/1d/No_image.svg/60px-No_image.svg.png) | Takenao Takenouchi | Commander of the 67 Naval Guard Unit |
13 July 1943 to 13 September 1945 | ![](//upload.wikimedia.org/wikipedia/commons/thumb/1/1d/No_image.svg/60px-No_image.svg.png) | Hisayuki Soeda |
Australian Military Administrator (1945) |
13 September 1945 to 31 October 1945 | ![](//upload.wikimedia.org/wikipedia/commons/thumb/1/1d/No_image.svg/60px-No_image.svg.png) | Joseph Lawrence Andrew Kelly | |
Administrators (1945–1968) |
1 November 1945 to 30 August 1949 | ![](//upload.wikimedia.org/wikipedia/commons/thumb/1/1d/No_image.svg/60px-No_image.svg.png) | Mark Ridgway | |
31 August 1949 to 20 December 1949 | ![](//upload.wikimedia.org/wikipedia/commons/thumb/1/1d/No_image.svg/60px-No_image.svg.png) | Harold Reeve | Acting |
20 December 1949 to 31 October 1952 | ![](//upload.wikimedia.org/wikipedia/commons/thumb/a/ab/Robert_Richards_%28Australia%29.gif/60px-Robert_Richards_%28Australia%29.gif) | Robert Stanley Richards | |
July 1952 to 30 June 1954 | ![](//upload.wikimedia.org/wikipedia/commons/thumb/1/1d/No_image.svg/60px-No_image.svg.png) | John Keith Lawrence | Acting (for Richards to 31 October 1952) |
December 1953 to 30 June 1954 | ![](//upload.wikimedia.org/wikipedia/commons/thumb/1/1d/No_image.svg/60px-No_image.svg.png) | Keith Alan Read | Acting |
1 July 1954 to 21 June 1958 | ![](//upload.wikimedia.org/wikipedia/commons/thumb/1/1d/No_image.svg/60px-No_image.svg.png) | Reginald Sylvester Leydin | First time.Raymond Gadabu was head chief of Nauru. |
21 June 1958 to 30 April 1962 | ![](//upload.wikimedia.org/wikipedia/commons/thumb/1/1d/No_image.svg/60px-No_image.svg.png) | John Preston White | |
1 May 1962 to 31 May 1962 | ![](//upload.wikimedia.org/wikipedia/commons/thumb/1/1d/No_image.svg/60px-No_image.svg.png) | Frederick William McConaghy | Acting |
1 June 1962 to March 1966 | ![](//upload.wikimedia.org/wikipedia/commons/thumb/1/1d/No_image.svg/60px-No_image.svg.png) | Reginald Sylvester Leydin | Second time[1] |
March 1966 to 19 May 1966 | | Roy Edward Vizard | Acting[1] |
19 May 1966 to 30 January 1968 | ![](//upload.wikimedia.org/wikipedia/commons/thumb/1/1d/No_image.svg/60px-No_image.svg.png) | Leslie Dudley King | [2] |