Unit Regimental Sergeants-Majors
| 1951 - 1955 | WO1 I. Nabbs |
| 1955 - 1957 | WO1 R.O. Oswald |
| 1957 - 1959 | WO1 H.N. Allen |
| 1959 - 1961 | WO1 P. Brennan |
| 1961 - 1963 | WO1 D.J. Martyn |
| 1963 - 1965 | WO1 D.E. Williams |
| 1966 - 1970 | WO1 R. Delves |
| 1970 - 1974 | WO1 G. Nash |
| 1974 - 1977 | WO1 D. McDonald |
| 1977 - 1979 | WO1 R Delves |
| 1979 - 1982 | WO1 K. Merito |
| 1982 - 1985 | WO1 M.J. Cocker |
| 1985 - 1987 | WO1 T.A.J. O'Neill |
| 1987 - 1988 | WO1 I.R. Paipa |
| 1988 - 1992 | WO1 P.B. Morunga |
| 1992 - 1995 | WO1 W.K. Thurlow |
| 1995 - 1996 | WO1 W.G. Rowe |
| 1997 -1999 | WO1 P. Tamepo |
| 1999 - 2002 | WO1 G.C Edwards |
| 2002 - 2003 | WO1 E.S Hae Hae |
| 2003 - 2006 | WO1 D.F Mills |
| 2006 - 2007 | WO1 L.E Wills |
| 2007 - 2009 | WO1 J.A.P Dawson |
| 2009 - 2012 | WO1 M Shaw |
| 2012 - 2013 | WO1 M Shaw (Merged Units 3/6 Bn) |
| 2013 - 2013 | WO1 N Radford |
| 2013 - | WO1 M.L Hata |