| Acronym | Definition |
|---|
| RSZ➣Rijksdienst Voor Sociale Zekerheid (Belgium National Social Security Office) |
| RSZ➣Radio Society of Zambia (Kitwe, Zambia) |
| RSZ➣Railway Systems of Zambia Ltd. (Kabwe, Zambia) |
| RSZ➣Re-Scaled Sum of Z-Scores |
| RSZ➣Ranotsara Shear Zone (geology) |
| RSZ➣Replication Slow Zone (biological chemistry) |