| T&R | Tenderness and rebound 
| Others |
| T&R | Tip and Ring
| Others |
| T&R | Transmitter and Receiver
| Others |
| T&R | Treat and Release
| Others |
| T/R | Tape Recorder
| Others |
| T/R | Technical Report
| Others |
| T/R | Thrust Reverser
| Others |
| T/R | Time Required
| Others |
| T/R | Transformer Rectifier
| Others |
| T/R | Transmit-Receive
| Others |
| T/R | Transmit/Receive
| Others |
| T/R | Transmitter/Receiver
| Others |
| T/R | Transportation Request
| Others |
| T/R | Trust Receipt
| Others |
| T/R | Turnaround RequiremLnts
| Others |
| TR | repetition time
| Others |
| TR | Steward Recruit
| Others |
| TR | Table Row
| Others |
| TR | Tactical Reconnaissance
| Others |
| TR | Tai Roe
| Others |
| TR | Takers Or Receivers
| Others |
| TR | tal Return
| Others |
| TR | Tal Revenue
| Others |
| TR | Tamper Resistant
| Others |
| TR | Tannery Run
| Others |
| TR | Tape and Reel
| Others |
| TR | Target Rifle
| Others |
| TR | Taste Receptor
| Others |
| TR | Tax Rate
| Others |
| TR | Tax Research
| Others |
| TR | Tax Ruling
| Others |
| TR | Teacher Recommendation
| Others |
| TR | Teachers Retirement
| Others |
| TR | Team Rocket
| Others |
| TR | Technical Recommendation
| Others |
| TR | Technical Record
| Others |
| TR | Technical Reference
| Others |
| TR | Technical Release
| Others |
| TR | Technical Release (term used by Audit Commission)
| Others |
| TR | Technical Requirement
| Others |
| TR | Technical Requirements
| Others |
| TR | Technical Response
| Others |
| TR | Technical Review
| Others |
| TR | Technicle Rehearsal
| Others |
| TR | Ted Rogers
| Others |
| TR | Teddy Robbie
| Others |
| TR | Teddy Roosevelt
| Others |
| TR | Telecommunication Room
| Others |
| TR | Telescopic Reversible
| Others |
| TR | Telstra Research
| Others |
| TR | Temperature, Rectal
| Others |
| TR | Terni (Province)
| Others |
| TR | Terrific Racist
| Others |
| TR | Terrorism Response
| Others |
| TR | Terry Ryan
| Others |
| TR | Test Report
| Others |
| TR | Test Request
| Others |
| TR | Testa Rossa
| Others |
| TR | Tex Robert
| Others |
| TR | Texas Rig
| Others |
| TR | Text Revision
| Others |
| TR | Textile Restoration
| Others |
| TR | Textus Receptus
| Others |
| TR | That's Right
| Others |
| TR | The Real
| Others |
| TR | The Remarkable
| Others |
| TR | The Rink
| Others |
| TR | The Risk
| Others |
| TR | Theodore Raymond
| Others |
| TR | Theodore Robert
| Others |
| TR | Thomas Ruggles
| Others |
| TR | Threaded Rod
| Others |
| TR | Three Rails
| Others |
| TR | Time Reactor
| Others |
| TR | Time Release
| Others |
| TR | Time to Retrofire
| Others |
| TR | Tired Rooster
| Others |
| TR | Tomahawk Railway
| Others |
| TR | Tomahawk Railway, L. P.
| Others |
| TR | Tommy Rot
| Others |
| TR | Tongue Raped
| Others |
| TR | Tons of Refrigeration
| Others |
| TR | Too Rlc
| Others |
| TR | Top Ramen
| Others |
| TR | Top Rank
| Others |
| TR | Total Recall
| Others |
| TR | Total Reserves
| Others |
| TR | Total Revenue
| Others |
| TR | Totally Reformed
| Others |
| TR | Totally Rejected
| Others |
| TR | Totally Ridiculous
| Others |
| TR | Totally Rotten
| Others |
| TR | Tourer Right
| Others |
| TR | Tower Rush
| Others |
| TR | Trace
| Others |
| TR | Tracor
| Others |
| TR | Trade Repositories
| Others |
| TR | Trade Repository
| Others |
| TR | Training Routine
| Others |
| TR | Training Rudiment
| Others |
| TR | Trans Rights
| Others |
| TR | Transaction Record
| Others |
| TR | Transfection Reagent
| Others |
| TR | Transforming Rehabilitation
| Others |
| TR | Transistor Rhythm
| Others |
| TR | Transit and Refers
| Others |
| tr | TRanslate
| Others |
| tr | translated by
| Others |
| Tr | translation, transpated
| Others |
| TR | Transmissibility Ratio
| Others |
| TR | Transmitter / Receiver
| Others |
| TR | Transport Root
| Others |
| TR | Transportation Research
| Others |
| TR | Trauma
| Others |
| TR | Traveling Rest
| Others |
| TR | Trial Record
| Others |
| TR | Triangular Regression
| Others |
| TR | Tricuspid Regurgitation
| Others |
| TR | Trip Report
| Others |
| TR | Triple Rainbow
| Others |
| TR | Tripura
| State |
| TR | Trouble Report
| Others |
| TR | True Roll
| Others |
| TR | Tumor Response
| Others |
| TR | Turbo Debugger for DOS Session-state settings file
| Others |
| TR | Turd Rustler
| Others |
| TR | Turkish
| Others |
| TR | Turn Red
| Others |
| TR | Twin Rivers
| Others |
| TR | TypeRacer
| Others |
| Tr. | Trommel
| Others |
| TR. | Trust
| Others |
| Tr. | Trustee
| Others |