| Acronym | Definition |
|---|
| RRSO➣Roczna Rzeczywista Stopa Oprocentowania (Polish: Real Annual Percentage Rate) |
| RRSO➣Risk-Reducing Salpingo Oophorectomy |
| RRSO➣Rzeczywistej Rocznej Stopy Oprocentowania (Polish: Actual Annual Interest Rate) |
| RRSO➣Round Rock Symphony Orchestra (Round Rock, Texas) |
| RRSO➣Rocky River Soccer Organization (Rocky River, OH) |