RAT Rating
RAT Remote Administration Tool
RAT Rough and Tumble (South African combat sport/art)
RAT Ram Air Turbine
RAT Read-A-Thon
RAT Robust Audio Tool (teleconferencing)
RAT Rock Abrasion Tool (NASA Mars Exploration Rover)
RAT Remote Access Trojans (CERTs - Hacker Programs)
RAT Router Audit Tool
RAT Return Air Temperature
RAT Remote Access Terminal
RAT Rapid Assessment Team
RAT Raduzhnyi (Russia)
RAT Randall's Adventure & Training
RAT Reject All Tobacco (Mississippi)
RAT Rainier Agility Team
RAT Readiness Assessment Tool
RAT Renewal Agreement Travel
RAT Rocket-Assisted Torpedo
RAT Relative Accuracy Test
RAT Recruit-at-Training
RAT Rocket Assisted Takeoff
RAT Roblox Assault Team (gaming clan)
RAT Remote Associate Test
RAT Ready Assets Trust (MLPFS)
RAT Right Anterior Thigh
RAT Road Anomalies Tour
RAT Riders Association of Triumph Motorcycles
RAT Recon Assault Team (video gaming clan)
RAT Readiness Assessment Team
RAT Reliability Assessment Test
RAT Reliability Assurance Test
RAT Reverse Arrangement Test
RAT Routing Analysis Tool
RAT Reprogramming Analysis Team (US Army)
RAT Receiver Available Time
RAT Reach-Around Technology
RAT Radiological Assessment/Assistance Team
RAT Release After Transmision (token ring, IEEE 802.5)
RAT Report Authoring Tools
RAT Right Angle Theorem
RAT Ranges, Ammunition, and Targets
RAT Remote Agent Token
RAT Rapid Assault Tank (video game)
RAT Redeployment Assistance Team
RAT Robbery Apprehension Team
RAT Raytheon Astor Team
RAT Race Against Time
RAT Radio Access Technology
RAT Ritual Abuse-Torture (psychology)
RAT Range and Taxi
RAT Real Application Testing (software)
https://acronyms.thefreedictionary.com/RAT