| Acronym | Definition |
|---|
| STEP | Standard for the Exchange of Product Model Data (ISO 10303) |
| STEP | Society of Trust and Estate Practitioners |
| STEP | Software Technology and Engineering Practice (Conference) |
| STEP | Smart Traveler Enrollment Program (US State Department) |
| STEP | Society for Testing English Proficiency (Japan) |
| STEP | Students, Educators and Parents |
| STEP | Station d'Epuration (French: Wastewater Treatment) |
| STEP | Systematic Training for Effective Parenting |
| STEP | Student Temporary Employment Program (National Institute of Standards and Technology) |
| STEP | Standard for the Exchange of Product |
| STEP | Simplified Tai-Chi Exercise Program |
| STEP | Stanford Temporal Prover |
| STEP | Student Employment Program |
| STEP | Science and Technology Entry Program |
| STEP | Selective Traffic Enforcement Program |
| STEP | Saskatchewan Trade and Export Partnership |
| STEP | Statewide Transportation Enhancement Program (various locations) |
| STEP | Stripes for Exceptional Performers |
| STEP | Statement of Tertiary Education Priorities (New Zealand) |
| STEP | Serial Transverse Enteroplasty (medical procedure) |
| STEP | Surface Transportation Environment and Planning (US DOT) |
| STEP | Socia,l Technical, Econimic, Political |
| STEP | State Tribal Education Program (various organizations) |
| STEP | Study of the Therapeutic Effects of Intercessory Prayer |
| STEP | Security Training Exercise Program (US Transportation Security Administration) |
| STEP | Satellite Test of the Equivalence Principle |
| STEP | Standardized Tactical Entry Point (Defense Satellite Communications System) |
| STEP | Satellite Theological Education |
| STEP | Science and Technology Education Partnership |
| STEP | Sixth Term Examination Papers (UK educational system) |
| STEP | Science and Technology for Environmental Protection |
| STEP | Small Business Tax Education Program (IRS) |
| STEP | Strategies To Elevate People |
| STEP | Space Test Experiment Platform |
| STEP | Software Technology Excellence Programme (India) |
| STEP | Solar Terrestrial Energy Programme |
| STEP | Stratosphere Troposphere Exchange Project |
| STEP | Standard Template for Electronic Publishing (Biblical software distribution format) |
| STEP | Science, Technology and Environment Partnership |
| STEP | Supercomputer Teacher Enhancement Program |
| STEP | Shipboard Training Enhancement Program |
| STEP | Short Term English Proficiency |
| STEP | Simulation, Training, and Exercise Platform |
| STEP | Skills Training and Employment Placement (program) |
| STEP | Solutions to Environmental Problems, Inc (Oak Ridge, TN) |
| STEP | Semantics in Systems for Text Processing |
| STEP | Systems Testing Excellence Program |
| STEP | System for Tracking Education Performance |
| STEP | Skills Training and Employment Program |
| STEP | Shell Technology Enterprise Program |
| STEP | Straight Through Euro Payment |
| STEP | Scientific Therapeutic Exercise Progressions |
| STEP | iloprost inhalation solution Safety and pilot efficacy Trial in combination with bosentan for Evaluation in Pulmonary arterial hypertension |
| STEP | Workshop on Advances and Innovations in Systems Testing |
| STEP | Secure Tunnel Establishment Protocol |
| STEP | Singapore Tuberculosis Elimination Programme |
| STEP | Survey Tool for Employment Planning |
| STEP | Strategic Tactical Entry Point |
| STEP | Spatial Templates for Emergency Preparedness |
| STEP | Supra Thermal Through Energetic Particle (sensor) |
| STEP | Salmon Trout Education Project |
| STEP | St. Louis Teacher Enhancement Partnership |
| STEP | Service Test and Evaluation Program |
| STEP | Standard Exchange Program |
| STEP | Software Test and Evaluation Program (for a STAMIS, now PEO EIS, system) |
| STEP | Summer Training and Employment Project |
| STEP | Space Technology Experiment Platform |
| STEP | Science and Technology for Employment Protection (United Kingdom) |
| STEP | Southern Rift Valley Tsetse Eradication Project (Ethiopia) |
| STEP | Systems and Technology Education Program |
| STEP | Sip Twice Eat & Profit |
| STEP | Systematic Training for Effective Parenthood |
| STEP | Simulation, Test & Evaluation Process |
| STEP | Software Test & Evaluation Panel |
| STEP | Space Transfer using Electrodynamic Propulsion |
| STEP | Simulator Training Evaluation Program |
| STEP | Students Teaching & Educating Peers |
| STEP | Space Transportation Engine Program |
| STEP | Subsidized Tenants Empowerment Project |
| STEP | Summer Transition Empowerment Program |
| STEP | Self-Teaching Exportable Package |
| STEP | Smyrna Triad Enrichment Program |
| STEP | Specialized Traffic Enforcement Programs |
| STEP | Schizophrenic Treatment and Evaluation Program |
| STEP | Senior Training & Education Program |
| STEP | Solving the Entrepreneurial Puzzle (small business solutions) |
| STEP | Study Training & Employment Pathways (Ahead) |
| STEP | Structures Technology Experiments Platform |
| STEP | Spatial-Temporal Event Prediction |
| STEP | Surface Warfare Training Evaluation Program |
| STEP | Specialty Training for Entry-Level Professionals (NASA) |
| STEP | Sequential Steps of Educational Progress |
| STEP | Special Training Equipment Program |
| STEP | Steps Toward Educational Progress (educational program; various schools) |
| STEP | Solar Terrestrial Energetics Program |
| STEP | Surveillance Tracking & Experiment Program |
| STEP | Software Task Estimating Procedure |
| STEP | Strategic Technology Expansion Project |
| STEP | Spiritual Training and Education Process |
| STEP | Safeguard Test & Evaluation Program |
| STEP | School To Employment Partnership |
| STEP | Soil Treatment Evaluation Program |
| STEP | Scientific & Technical Exploitation Program |
| STEP | Standard Test Equipment Procedure |
| STEP | Software Test & Evaluation Plan |
| STEP | Systems Test Equipment Program |
| STEP | Southern Valley Tsetse and Trypanosomiasis Eradication Project |