Other Uses
- Rosa (barge), a hotel barge
- Mitsubishi Fuso Rosa, a bus built by Mitsubishi Fuso
- ROSA, acronym for RCA Open-Source Application
- ROSA, the Romanian Space Agency
- De Rosa (bicycles), a bicycle manufacturing company
- USS Rosa (SP-757), a United States Navy patrol boat in commission from 1917 to 1918
- Record of School Achievement (RoSA), an Australian education qualification
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