| SUP | Sailor's Union of the Pacific 
| Others |
| SUP | Secure Unattended Proxy
| Others |
| SUP | Seriously Utopian Place
| Others |
| SUP | Service Update Pack
| Others |
| SUP | Shared Use Path
| Others |
| SUP | Shut Up Please
| Others |
| SUP | Side Underrun Protection
| Others |
| SUP | Simple Update Protocol
| Others |
| SUP | Single Use Plastics
| Others |
| SUP | Software Update Package
| Others |
| SUP | Software Update Packet
| Others |
| SUP | Software Update Point
| Others |
| SUP | Software Update Protocol
| Others |
| SUP | Software Updater Pro
| Others |
| SUP | Soud Usin Process
| Others |
| SUP | Special Use Permit
| Others |
| SUP | Spherical Unit Provided
| Others |
| SUP | Sport Utility Pack
| Others |
| SUP | Sport Utility Pick-Up
| Others |
| SUP | Sports Utility Pack
| Others |
| SUP | Stand Up Padde
| Others |
| SUP | Stand Up Paddle
| Others |
| SUP | Stand Up Paddleboard
| Others |
| SUP | Stand Up Paddleboarding
| Others |
| SUP | Stand Up Paddleboards
| Others |
| SUP | Stand Up Paddling
| Others |
| SUP | Stand Up Panting
| Others |
| SUP | Standard Unit of Processing
| Others |
| SUP | Standing Up Paddle
| Others |
| SUP | Stanford University Press
| Others |
| SUP | StartUP screen Bitmap graphics
| Others |
| SUP | Still Unanswered Problems
| Others |
| SUP | Still Unsolved Problems
| Others |
| SUP | Strange Unknown People
| Others |
| SUP | Student University Programmers
| Others |
| SUP | Subpicture Format
| Others |
| SUP | Super Unleaded Petrol
| Others |
| SUP | Superbe (French coin grade equivalent to Extremely Fine)
| Others |
| SUP | Supination
| Others |
| SUP | Supine
| Others |
| SUP | Supplemental
| Others |
| SUP | Supplementary
| Others |
| SUP | SUPplementary dictionary
| Others |
| SUP | Support Library
| Others |
| SUP | Suppository
| Others |
| SUP | SUPremum
| Others |
| SUP | System Upgrade Program
| Others |
| SUP | Toyota Supra
| Others |
| SUP | What's Up
| Others |
| SUP? | What's UP?
| Others |