| 11B | SAF ID Card | 11B stands for the 11 basic info items found on it. |
| 5BX | 5 Basic Exercises | |
| 9B | SAFVC ID Card | 9B because SVs have less info. |
| AT | Advanced Training | |
| AVPU | Alert, Voice, Pain, Unresponsive | |
| AWOL | Absent Without Official Leave | |
| BIC | Battlefield Innoculation Course | Pew pew in the sand. |
| BMT | Basic Military Training | What the NSFs go through for 2-6 months. |
| BT | Basic Training | What SVs go through for 2 weeks. |
| BTP Test | Basic Trainfire Package Test | |
| CAF | Chief of Air Force | |
| CAT1 | Category 1 Thunderstorm Warning | All outdoor activities stop. |
| CDA | Chief of Army | |
| CDF | Chief of Defence Force | |
| CNV | Chief of Navy | |
| CO | Commanding Officer | Usually, the officer in charge of a formation. Senior. |
| Coy | Company | |
| DB | Detention Barracks | |
| DIS | Digital and Intelligence Service | |
| DO | Duty Officer | |
| DS | Duty Sergeant | |
| FAD | First Aid Device | Bandage, kept in left cargo pocket. |
| FAK | First Aid Kit | |
| FBO | Full Battle Order | |
| FSM | Formation Sergeant Major | Referred to as Sergeant Major. |
| GFAK | Group First Aid Kit | |
| HK ICT | High Key In-Camp Training | ICT that lasts 7 days or more. |
| ICT | In-Camp Training | |
| IFAK | Individual First Aid Kit | |
| IFC | Individual Field Craft | |
| iLBV | Integrated Load Bearing Vest | |
| IMT | Individual Marksman Trainer | Pew pew in A/C. |
| IPPT | Individual Physical Proficiency Test | |
| LAW | Light Anti-tank Weapon | For SAF, this is typically the MATADOR. |
| LBS | Load Bearing System | |
| LK ICT | Low Key In-Camp Training | ICT that lasts 6 days or less. |
| LOA | Letter of Authorisation | |
| M203 | Single shoot 40mm under barrel grenade launcher | |
| MATADOR | Man-portable, Anti-Tank, Anti-Door | 90mm one-time use. |
| MO | Medical Officer | |
| MUT | Make-Up Training | |
| NATO | No Action Talk Only | |
| NSF | National Serviceman (Full Time) | A person doing National Service for 2 years. |
| NSman | National Service (Operationally Ready) | A person who has ORD'd. |
| OC | Officer Commanding | Usually, the officer in charge of an activity. |
| OCS | Officer Cadet School | |
| OOC | Out of Course | |
| ORD | Operationally Ready Date | The end of full-time National Service and the start of the NSman period. |
| ORNS | Operationally Ready National Service | |
| OTOT | Own Time, Own Target | |
| PC | Platoon Commander | Usually a 2LT or LTA. |
| PE | Personal Equipment | The gear that SAF issued to you. |
| PES | Physical Employment Standard | |
| QT | Qualification Training | |
| RSAF | Republic of Singapore Air Force | |
| RSN | Republic of Singapore Navy | |
| SAF | Singapore Armed Forces | The entirety of the 4 branches |
| SAF HSP | SAF Health Screening Programme | |
| SAF100 | Official SAF Call Up Notice | |
| SAF100V | Official SAF Call Up Notice for SVs | |
| SAFSA | SAF Sporting Association | |
| SAR21 | Singapore Assault Rifle - 21st Century | |
| SAW | Section Assault Weapon | For SAF, this is typically the Unimax 100 light machine gun. |
| SBO | Standard Battle Order | |
| SC | Section Commander | Usually a 3SG. |
| SCS | Special Cadet School | |
| SMA | Sergeant Major of the Army | |
| SOC | Standard Obstacle Course | |
| SOL | Suspension of Leave | An NSF has committed a serious enough breach but avoided DB. |
| WOSE | Warrant Officers, Specialists and Enlistees | |
| WOSPEC | Warrant Officers and Specialists | |
