1. 22 Oct 1945 - 25 Apr 1948  LTCOL RH Marson, DSO, ED [65^th Battalion formed 22 October 1945]
2. 26 Apr 1948 - 5 May 1949 MAJ TE Archer, ED [Administering Command of 65^th Battalion / 1 Australian Regiment renamed on 23 Nov 1948 / 1st Battalion, The Royal Australian Regiment redisignated on 30 Mar 1949]
3. 6 May 1949 – 3 Jan 1951 LTCOL J.L.A. Kelly, DSO 
4. 4 Jan 1951 – 01 Apr 1951 LTCOL D.L.B. Goslett, MC, ED
5. 2 Apr 1951 – 05 Jul 1951  LTCOL F.G. Hassett, DSO, OBE
6. 6 Jul 1951 – 01 Nov 1951 LTCOL I.B. Ferguson, DSO, MC
7. 2 Nov 1951 – 20 Oct 1952 LTCOL I. Hutchinson, DSO, OBE, MC, ED
8. 21 Oct 1952 - 01 Oct 1953 LTCOL M. Austin, DSO
9. 02 Oct 1953 – 24 Jan 1955 LTCOL N.A.M. Nicholls
10. 25 Jan 1955 – 21 Jan 1956  LTCOL G.B. Combes
11. 21 Jan 1956 – 26 Mar 1957 LTCOL O.D.  Jackson
12. 27 Mar 1957 – 04 Dec 1958 LTCOL W.J. Finlayson, MVO, OBE
13. 05 Dec 1958 – 28 Jun 1960 LTCOL W.J. Morrow, OBE
14. 28 Jun 1960 – 29 Oct 1961 LTCOL S.P. Weir, MC
15. 12 Nov 1961 – 25 Jul 1962 COL K.R.G.   Coleman, MC
16. 26 Jul 1962 – 15 May 1964  COL  C.M.I.  Pearson, MC
17. 16 May 1964 – 28 Feb 1965 COL D.B. Dunstan, MBE
18. 01 Mar 1965 – 03 Dec 1965 LTCOL I.R.W. Brumfield, DSO
19. 03 Dec 1965 – 10 Jun 1966 LTCOL  A.V. Preece, DSO, MVO
20. 11 Jun 1966 – 14 Jul 1967 LTCOL K.P. Outridge
21. 15 Jul 1967 – 01 Mar 1969 LTCOL P.H. Bennett, DSO
22. 01 Mar 1969 – 15 Jul 1971 LTCOL J.B.M. Trenerry
23. 16 Jul 1971 – 21 Jan 1973 LTCOL I.R.J. Hodgkinson, MBE
24. 22 Jan 1973 – 03 Dec 1974 LTCOL P.N.D. White, MC
25. 04 Dec 1974 – 10 Jan 1977  LTCOL K.A. Patterson
26. 10 Jan 1977 – 16 Dec 1978 LTCOL I.J.C. Hearn
27. 17 Dec1978 – Dec 1980 LTCOL P.W. Beale, DSO, MC
28. 10 Dec 1980 – 14 Jan 1983 LTCOL B.J. Caligari
29. 15 Jan 1983 – 13 Aug 1984 LTCOL  P.J. Cosgrove, MC
30. 14 Aug 1984 – 14 Dec 1986 LTCOL  J.D. McAloney, MC
31. 15 Dec 1986 – 14 Dec 1988 LTCOL  J.P. Salter, MC
32. 15 Dec 1988 – 14 Dec 1991 LTCOL  J.D. Petrie, AM
33. 15 Dec 1991 – 14 Dec 1993 LTCOL D.J. Hurley DSC
34. 15 Dec 1993 – 14 Dec 1995 LTCOL R.J. Martin
35. 15 Dec 1995 – 05 Dec 1997 LTCOL M.A. Kelly
36. 6 Dec 1997 – 12 Nov 1999 LTCOL M.D. Bornholt
37. 12 Nov 1999 – 30 Nov 2001 LTCOL  J.G. Caligari
38. 30 Nov 2001 -3 Dec 2003 LTCOL S.L. Smith
39. 3 Dec 2003 - 1 Dec 2005 LTCOL C.A. Field, CSC
40. 1 Dec 2005 - 29 Nov 2007 LTCOL A.D.I. Gallaway
41. 29 Nov 2007 - 12 Dec 2009  LTCOL P.J. Connolly
42. 12 Dec 2009 - 9 Dec 2011 LTCOL A.J. Hocking
43. 9 Dec 2011 - 10 Dec 14 LTCOL E. Lenaghan, CSC
44. 10 Dec 2014 - 10 Dec 2016 LTCOL  J.S. Groat CSC, DSM
45. 10 Dec 2016 - 14 Dec 2018 LTCOL B.G McLennan, CSC
46. 14 Dec 2018 - 9 Dec 2020 LTCOL C. Jaunay
47. 10 Dec 2020 - Present LTCOL S. Holmes, DSM

Photos of COs

LTCOL RH Marson

MAJ TE Archer, ED

LTCOL JLA Kelly, DSO

LTCOL DLB Goslett, MC,ED

LTCOL FG Hassett, DSO, OBE

LTCOL IB Ferguson, DSO, MC

LTCOL I Hutchinson, DSO, OBE, MC, ED

LTCOL M Austin, DSO

LTCOL NAM Nicholls

LTCOL GB Combes

LTCOL OD Jackson

LTCOL WJ Finlayson, MVO, OBE

LTCOL WJ Morrow, OBE

LTCOL SP Weir, MC

COL KRG Coleman, MC

COL CMI Pearson, MC

COL DB Dunstan, MBE

LTCOL IRW Brumfield, DSO

LTCOL AV Preece, DSO, MVO

LTCOL KP Outridge

LTCOL PH Bennett, DSO

LTCOL JBM Trenerry, DSO

LTCOL IRJ Hodgkinson, MBE

LTCOL  PND White, MC

LTCOL KA Patterson

LTCOL IJC Hearn

LTCOL PW Beale, DSO, MC

LTCOL BJ Caligari

LTCOL PJ Cosgrove, MC

LTCOL JD McAloney, MC

LTCOL JP Salter, MC

​​​​​​​

LTCOL JD Petrie

LTCOL DJ Hurley, DSC

LTCOL RJ Martin

LTCOL MA Kelly

LTCOL MD Bornholt

LTCOL JG Caligari, DSC

LTCOL SL Smith

LTCOL CA Field, CSC

LTCOL AD Gallaway

LTCOL P Connelly

LTCOL A Hocking

LTCOL E Lenaghan

LTCOL J Groat

2015 – 2016