| SMO | Mexican Society of Ophthalmology 
| Others |
| SMO | Safe Motherhood Officer
| Others |
| SMO | SAFOD (San Andreas Fault Observatory at Depth) Management Office
| Others |
| SMO | Santa Monica Airport
| Others |
| SMO | Santa Monica Municipal Airport, Santa Monica, California USA
| Others |
| SMO | Scan My Opel
| Others |
| SMO | School Management Organizations
| Others |
| SMO | Science Management Office
| Others |
| SMO | Science Museum Oklahoma
| Others |
| SMO | Search Media Optimisation
| Others |
| SMO | Search Media Optimization
| Others |
| SMO | Seattle Metal Online
| Others |
| SMO | Seattle Modern Orchestra
| Others |
| SMO | Second Medical Opinion
| Others |
| SMO | Senior Medical Officer
| Others |
| SMO | Senior Meteorological and Oceanographic Officer
| Others |
| SMO | Sequential Minimal Optimization
| Others |
| SMO | Serious Mode On
| Others |
| SMO | Server Management Object
| Others |
| SMO | Server Management Objects
| Others |
| SMO | Service Management Organization
| Others |
| SMO | Servicio Militar Obligatorio
| Others |
| SMO | Servo Magneto Optical
| Others |
| SMO | Severe Malignant Osteopetrosis
| Others |
| SMO | Shared Management Objects
| Others |
| SMO | Shell Motor Oil
| Others |
| SMO | Shout Me Out
| Others |
| SMO | Simple Matter Of
| Others |
| SMO | Singapore Maths Olympiad
| Others |
| SMO | Singing Men of Ohio
| Others |
| SMO | Single Mothers Outreach
| Others |
| SMO | Site Management Office
| Others |
| SMO | Site Management Organisation
| Others |
| SMO | Site Management Organization
| Others |
| SMO | Soap Messaging Object
| Others |
| SMO | Social Meda Optimisation
| Others |
| SMO | Social Media Optimisation
| Others |
| SMO | Social Media Optimization
| Others |
| SMO | Social Media optization
| Others |
| SMO | Sociedad Mexicana de Ortopedia
| Others |
| SMO | Solder Mask Opening
| Others |
| SMO | southern Maryland oil
| Others |
| SMO | Southern Minnesota Orthodontics
| Others |
| SMO | Special Management Office
| Others |
| SMO | Speedstash Motorsports Online
| Others |
| SMO | SQL Management Objects
| Others |
| SMO | SQL Server Management Object
| Others |
| SMO | SQL Server Management Objects
| Others |
| SMO | State Machine Object
| Others |
| SMO | Strategic Mobility Office
| Others |
| SMO | Student Missions And Outreach
| Others |
| SMO | Sun Managed Operations
| Others |
| SMO | Super Mario Odyssey
| Others |
| SMO | Super Motor Oil
| Others |
| SMO | Supervising Medical Officer
| Others |
| SMO | Support to Military Operations
| Others |
| SMO | Supra Malleolar Orthosis
| Others |
| SMO | Supra Malleolar Orthotic
| Others |
| SMO | Supreme Maintenance Organization
| Others |
| SMO | Surrogate Mothers Online
| Others |
| SMO | Surveillance Medical Officer
| Others |
| SMO | Survey and Mapping Office
| Others |
| SMO | Synthetic Motor Oil
| Others |
| SMO | System Managed Object
| Others |
| SMO | System Management Office
| Others |
| SMO | System Management Overview
| Others |