| Acronym | Definition |
|---|
| RSoA➣Research Society on Alcoholism |
| RSoA➣Reflective Semiconductor Optical Amplifier |
| RSoA➣Red Star Olympique Audonien (French sports club) |
| RSoA➣Responsible Service of Alcohol (Australia) |
| RSoA➣Rebuild the Soul of America (New York and Louisiana) |
| RSoA➣Rock Star Oriented Architecture (Sun/U2) |
| RSoA➣Russian School of Arts |