Retirements
| Capt J.M. O'Hearn, CD | 01 Aug 2025 | |
| CWO Wayne O'Keefe, CD | 05 May 2009 | |
| MCpl/Cplc A.B. Olberg | 05 Apr 2022 | |
| MWO Oldroyd, CD | 15 Apr 2009 | |
| MWO/Adjuc E.L. Oliver, MMM, CD | 07 Feb 2021 | |
| Capt Gary Oliver, CD | 02 Jan 2008 | |
| Cpl S.M. Olomi, CD | 27 Jun 2022 | |
| Sgt Dwayne Orvis, CD | 02 Apr 2017 | |
| CWO/Adjuc Serge Ouellet, CD | 17 Jul 2009 | |
| Sgt S.F. Ouellet, CD | 28 Jan 2022 | |
| MA Overby, CD | 19 Dec 2006 |
| MWO Marc Pacaud, CD | 06 Mar 2019 | |
| MCpl/Cplc R.O. Pacheco, CD | 26 Sep 2024 | |
| CWO/Adjuc J.B.M. Pagé, CD | 03 Oct 2022 | |
| MCpl P.L. Painchaud-Rivard, CD, | 15 Sep 2023 | |
| CWO/Adjuc Marc Paquette | 27 Oct 2016 | |
| Capt Bruce Paradis, CD | 16 Apr 2015 | |
| Cpl Yvon Paradis, CD | 12 Jul 2019 | |
| DA Park, CD | 08 Aug 2007 | |
| David Parker | 15 Mar 2012 |