| SMU | Medical Union of Uruguay 
| Others |
| SMU | Sack Master University
| Others |
| SMU | Sacrificing Many Underclassmen
| Others |
| SMU | Sailor Moon Universe
| Others |
| SMU | Saint Mary's University
| Others |
| SMU | Sakit Mental Unit
| Others |
| SMU | Scale Models Unlimited
| Others |
| SMU | Security Mobile Unit
| Others |
| SMU | Sekolah Menengah Umum
| Others |
| SMU | Semiconductor Matrix Unit
| Others |
| SMU | Service Management Unit
| Others |
| SMU | Sikkim Manipal University
| Others |
| SMU | Singapore Management University
| Others |
| SMU | Small Mediocre University
| Others |
| SMU | Soft Mock-Up
| Others |
| SMU | Source And Measure Unit
| Others |
| SMU | Source Measure Unit
| Others |
| SMU | Source Measure Units
| Others |
| SMU | Source Measurement Unit
| Others |
| SMU | Source-Measurement Unit
| Others |
| SMU | Source/Meter Unit
| Others |
| SMU | Southeastern Massachusetts University
| Others |
| SMU | Southern Medical University
| Others |
| SMU | Southern Methodist University
| Others |
| SMU | Southern Methodist University's
| Others |
| SMU | Southern Millionaire Univeristy
| Others |
| SMU | Southern Minnesota University
| Others |
| SMU | Speaker/Microphone Unit
| Others |
| SMU | Special Make Up
| Others |
| SMU | Special Management Unit
| Others |
| SMU | Special Mission Unit
| Others |
| SMU | Spencer Municipal Utilities
| Others |
| SMU | St. Matthew's University
| Others |
| SMU | stand for more User
| Others |
| SMU | Still Most Underrated
| Others |
| SMU | Stock Material Utilization Units
| Others |
| SMU | Stop Manufacturing Us
| Others |
| SMU | Storage Migrator for Unix
| Others |
| SMU | Strategic Market Unit
| Others |
| SMU | Suburban Multiple Unit
| Others |
| SMU | Supported Activities Supply System (SASSY) Management Unit
| Others |
| SMU | Surface Mining Unit
| Others |
| SMU | Svenska Missionskyrkans Ungdom
| Others |
| SMU | Swansea Metropolitan University
| Others |
| SMU | Switch Multiplexer Unit
| Others |
| SMU | Switch Multiplexor Unit
| Others |
| SMU | System Management Unit
| Others |