| RTA | Radar Terrain Analysis 
| Others |
| RTA | Radially Tapered Antenna
| Others |
| RTA | Radix Teachers Association
| Others |
| RTA | Railroad Tie Association
| Others |
| RTA | Railway Tie Association
| Others |
| RTA | Raleigh Transit Authority
| Others |
| RTA | Random Tactical Arena
| Others |
| RTA | Random Time Analysis
| Others |
| RTA | Rapid Thermal Anneal
| Others |
| RTA | Rapid Transit Administration
| Others |
| RTA | Rapid Transit Authority
| Others |
| RTA | Reactivity Test Assembly
| Others |
| RTA | Read The Article
| Others |
| RTA | Read To Achieve
| Others |
| RTA | Ready To Apply
| Others |
| RTA | Ready To Assemble
| Others |
| RTA | Ready To Awe
| Others |
| RTA | Ready-to-assemble
| Others |
| RTA | Real Time Accelerator
| Others |
| RTA | Real Time Access
| Others |
| RTA | Real Time Agent
| Others |
| RTA | Real Time Analyzer
| Others |
| RTA | Real Time Architect
| Others |
| RTA | Real Time Attack
| Others |
| RTA | Real Time Audio
| Others |
| RTA | Real Time Augmentation
| Others |
| RTA | Real Time Author
| Others |
| RTA | Real Time Automation
| Others |
| RTA | Real Time Data Acquisition
| Others |
| RTA | Real-Time Accumulator
| Others |
| RTA | Real-Time Analysis
| Others |
| RTA | Real-Time Analyzer
| Others |
| RTA | Rear Toe Arms
| Others |
| RTA | Rear Traffic Alert
| Others |
| RTA | Rear Trailing Arm
| Others |
| RTA | Rebuildable Tank Atomizer
| Others |
| RTA | Rebuildable Tank Atomizers
| Others |
| RTA | Recreational Tennis Association
| Others |
| RTA | Red Team Automation
| Others |
| RTA | Red Tractor Assurance
| Others |
| RTA | Redline Time Attack
| Others |
| RTA | Referring Travel Agent
| Others |
| RTA | Refusal To Accept
| Others |
| RTA | Regional Tourism Administration
| Others |
| RTA | Regional Trade Agreement
| Others |
| RTA | Regional Trade Agreements
| Others |
| RTA | Regional Transit Administration
| Others |
| RTA | Regional Transit Authority
| Others |
| RTA | Regional Transport Aircraft
| Others |
| RTA | Regional Transport Authority
| Others |
| RTA | Regional Transportation
| Others |
| RTA | Regional Transportation Agency
| Others |
| RTA | Regional Transportation Alliance
| Others |
| RTA | Regional Transportation Authority
| Others |
| RTA | Registrar and Transfer Agent
| Others |
| RTA | Registrar And Transfer Agents
| Others |
| RTA | Rehabilitation Through The Arts
| Others |
| RTA | Reliability Test Assembly
| Others |
| RTA | Religious and Theological Abstracts
| Others |
| RTA | Remediation Target Areas
| Others |
| RTA | Remember this always
| Others |
| RTA | Remote Transaction Assist
| Others |
| RTA | Remote Trunk Arrangement
| Others |
| RTA | Renal Tubular Acidosis
| Others |
| RTA | Renal Tubule Acidosis
| Others |
| RTA | Renault Tecnologia Americas
| Others |
| RTA | Renault Tourisme Automatique
| Others |
| RTA | Repatriated To Australia
| Others |
| RTA | Repeat To Address
| Others |
| RTA | Replication and Transcription Activator
| Others |
| RTA | Reply To All
| Others |
| RTA | Request for Technical Action
| Others |
| RTA | Required Time of Arrival
| Others |
| RTA | Research and Technology Agency
| Others |
| RTA | Research Training Award
| Others |
| RTA | Resident Technical Assistant
| Others |
| RTA | Resident Twinning Advisor
| Others |
| RTA | Residential Tenancies Act
| Others |
| RTA | Residential Tenancies Authority
| Others |
| RTA | Residenza Turistica Alberghiera
| Others |
| RTA | Residual Threat Assessment
| Others |
| RTA | Resource Technology Associates
| Others |
| RTA | Respect The Artists
| Others |
| RTA | Response Time Accelerator
| Others |
| RTA | Response Time Analyzer
| Others |
| RTA | Restorative Therapy Associates
| Others |
| RTA | Restricted to Adults
| Others |
| RTA | Retinal Thickness Analysis
| Others |
| RTA | Retread Tire Association
| Others |
| RTA | return to Africa
| Others |
| RTA | Returned To Australia
| Others |
| RTA | Returning To Application
| Others |
| RTA | Reverse Traffic Alert
| Others |
| RTA | Reverse Transcriptase Assay
| Others |
| RTA | Reversing Tool for Assembler
| Others |
| RTA | Revista Tecnica Automovel
| Others |
| RTA | Revue Technique Automobile
| Others |
| RTA | Rewriting Techniques and Applications
| Others |
| RTA | Riberalta, Bolivia, seismograph station
| Others |
| RTA | Ridgewood Tri Athlete
| Others |
| RTA | Right Tossers Association
| Others |
| RTA | Right Turn Ahead
| Others |
| RTA | Right Turn Arrow
| Others |
| RTA | Riverside Transit Agency
| Others |
| RTA | Road Tire All
| Others |
| RTA | Road To Avonlea
| Others |
| RTA | Road To Awe
| Others |
| RTA | Road Traffic Accident
| Others |
| RTA | Road Traffic Accidents
| Others |
| RTA | Road Traffic Act
| Others |
| RTA | Road Transport Act
| Others |
| RTA | Road Transport Authority
| Others |
| RTA | Roads & Transport Authority
| Others |
| RTA | Roads and Traffic Authority
| Others |
| RTA | Roads and Transport Authority
| Others |
| RTA | Roads and Transportation Authority
| Others |
| RTA | Roads Transport Authority
| Others |
| RTA | Rochester Teachers Association
| Others |
| RTA | Root The Area
| Others |
| RTA | Round Trip Average
| Others |
| RTA | Royal Thai Army
| Others |
| RTA | Rubidium Titanyl Arsenate
| Others |
| RTA | Run Time Access
| Others |
| RTA | Run Time Analysis
| Others |
| RTA | Run Time Application
| Others |
| RTA | Rwanda Transport Association
| Others |