- T -
| Abbreviation | Meaning |
|---|---|
| T | Training |
| T | Torpedo |
| T | Territorial |
| T&DU | Trials & Demonstration Unit |
| T&SWCACTE | Technical & Schools Wing, Canadian Armoured Corps Training Establishment |
| T&T | Through & Through |
| T(B)TC | Temporary (Basic) Training Centre |
| T(No)B | Treasury Board Minutes |
| T/ | Temporary (appointed rank) |
| T/A | Torpedo Aircraft |
| T/P | Teleprinter |
| TA | Torpedo Armourer |
| TABTD | Vaccine Against Typhoid, Paratyphoid A & B, Tetanus & Diphtheria |
| TAC | Tactical Air Command |
| TAF | Tactical Air Force |
| TAF | Temporary Air Facilities |
| TAG | Trinidad-Guantanamo Convoy |
| TAGS | Telegraphist Air Gunner's School |
| TankAux | Tankers (Auxiliary) |
| TankFA | Tankers Fleet Auxiliary |
| TASC | Training Area Selection Committee |
| TA-TkBRCA | Training Anti-Tank Battery, Royal Canadian Artillery |
| TATP | Technical Apprentice Training Plan |
| TBG | Training Brigade Group |
| TBW/SRCOC | Training Brigade Workshop, Royal Canadian Ordnance Corps |
| TC | Training Centre |
| TC | Transit Camp |
| TC | Tunnelling Company |
| TC | Torpedo Coxswain |
| TCAC(CO) | The Canadian Armoured Corps (Corps Orders) |
| TCADSRCCS | Troop Canadian Armoured Division Signals, Royal Canadian Corps of Signals |
| TCCRCASC | Training Composite Company, Royal Canadian Army Service Corps |
| TCHRCAMC | Toronto Convalescent Hospital, Royal Canadian Army Medical Corps |
| TCP | Time Credit for Promotion |
| TCRCAMC | Training Command, Royal Canadian Army Medical Corps |
| TCS | Transport Conversion Squadron |
| TCV | Troop Carrying Vehicle |
| TD | Temporary Duty |
| TD | Torpedo Detector |
| TD | Training Depot |
| TDDEE | Task Design Development Experimental Establishment |
| TDF | Test and Development Flight |
| TDR | Tank Delivery Regiment |
| TE | Teamster |
| tech | technical |
| TechAMed | Technical Assistant Medical |
| Tel | Telegraphist |
| Tel | Telegram |
| Tel | Telephone |
| Tel(SO) | Telegraphist (Special Operator) |
| Tele | Telegraph |
| Tele | Telegraphic |
| Tele | Telephone |
| TelMSupt(A) | Telecommunications Maintenance Superintendent (Air) |
| TelMSupt(G) | Telecommunications Maintenance Superintendent (Ground) |
| TEO | Torpedo Engineer Officer |
| TEREME | Training Establishment, Royal Electrical and Mechanical Engineers (British Unit) |
| TES | Technical and Engineer School |
| TF | Task Force |
| TF | Territorial Force |
| TFC | Time of 1st Gall (U.S.) |
| TFCRCE | Training Field Company, Royal Canadian Engineers |
| TFEM | Territorial Force Efficiency Medal |
| TFNS | Territorial Force Nursing Service |
| TFRRCA | Training Field Regiment, Royal Canadian Artillery |
| TFWM | Territorial Force War Medal |
| TG | Task Group |
| TGM | Torpedo Gunner's Mate |
| TgTech | Telegraph Technician |
| TH | Trinidad-Halifax convoy |
| THCP | Tin Hats Concert Party |
| THGHRCAMC | The Horseman General Hospital, Royal Canadian Army Medical Corps |
| THI | Time Handed In |
| THU | Temporary Holding Unit |
| THV | Trinity House Vessel |
| TI | Technique of Instruction |
| TI | Torpedo/Anti-Submarine Instructor |
| TID | Tour of Instructional Duty |
| TIU | Training Incoming Units |
| Tk | Tank |
| tk | Tank Delivery Regiment |
| Tk(s) | Tank(s) |
| TL | Trade Level |
| TLAABRCA | Training Light Anti-Aircraft Battery, Royal Canadian Artillery |
| TLC | Tank Landing Craft |
| Tlr | Tailor |
| TLTS | Technical Landline Training School |
| TM | Trench Mortar |
| TMB | Trench Mortar Battery |
| TMCA | Terrace Military Camp Area |
| TMH | Toronto Military Hospital |
| TMH | Tracadie Military Hospital |
| TMHRCAMC | Terrace Military Hospital, Royal Canadian Army Medical Corps |
| TMR | The Midland Regiment |
| Tnig | Tunnelling |
| TO | Training Officer |
| TO | Transport Officer or Torpedo Officer |
| TO | Torpedo Officer |
| TO | Telegraph Operator |
| TO | Transport Officer |
| TOD | Time of Despatch or Time of Delivery (U.S.) |
| TOET | Test of Elementary Training |
| TOO | Time of Origin |
| TOp | Teletype Operator |
| topo | topographic(al) |
| TOR | Time of Receipt (U.S.) |
| TOR(T) | The Ontario Regiment (Tank) |
| TORP | Torpedo (U.S.) |
| TOS | Taken on Strength |
| TOS | Terms of Service |
| Tot | Total |
| TP | Temporary Pay |
| TP | Trumpeter |
| TP | Training Plan |
| Tp(s) | Troop(s) |
| TPCCourse | Telecommunications Performance Checker Course |
| TPDCPC | Training Provost Detachment Canadian Provost Corps |
| TPG | Temporary Parade Ground |
| Tpr | Trooper |
| Tps | Troops |
| Tpt | Transport |
| Tptr | Trumpeter |
| TQ | Tradesmens Qualification |
| TQ&E | Trade Qualifications and Employment |
| TQMS | Technical Quartermaster Sergeant |
| TR | Training Records |
| TR | Trooper |
| TR | Training Reserve |
| Tr | Training |
| Trans | Transferred |
| Transf | Transferred |
| TransSqn | Transport Squadron (Royal Canadian Air Force) |
| Trav | Travel |
| TRE | Telecommunications Research Establishment |
| TRE | Temporary Reserve Employment |
| Tres(Army) | Chief Treasury Officer (Army) |
| Tres(Navy) | Chief Treasury Officer (Naval Services) |
| TRG | Training |
| trg | Training Centre |
| TrgO | Training Officer |
| TrgVes | Training Vessels |
| Trir | Trawler |
| TrngCoy | Training Company |
| TROF | Transport Officer |
| TRR | Three Rivers Regiment |
| Trshp | Troop Ships |
| TRU | Trumpeter |
| TRV | Torpedo Recovery Vessel |
| TS | Trade School |
| TS | Top Secret |
| TS | Transport Specials |
| TS(Records) | Trainees Section |
| TSBadge | Trained Soldier's Badge |
| TSDS | Two Speed Destroyer Sweep |
| TSDSRCCS | Toronto Section Division Signals, Royal Canadian Corps of Signals |
| Tsfr | Transfer |
| TSM | Troop Sergeant Major |
| TSO | Technical Staff Officer |
| TSR | Torpedo Spotting Reconnaissance (Aircraft) |
| TSR | Trained Soldier Regiment |
| TSR | Transport Special Reserve |
| TSR(MG) | Toronto Scottish Regiment (Machine Gun) |
| TSU | Technical Signals Unit |
| TSV | Torpedo School Vessel |
| TTC | Temporary Training Centre |
| TTC | Temporary Transit Camp |
| TTS | Technical Training Schools |
| TTS | Trades Training School |
| TU | Tactical Urgency |
| TU | Task Unit |
| TunCoy | Tunnelling Company |
| Turco | Turn Round Control (Overlord) |
| TVC | Thames Valley Camp |
| TW | Transport Warrant |
| TW | Travel Warrant |
| TZ | Tyneside Division |