Other
- Riva Group, an Italian steel company
- RIVA 128 and RIVA TNT, a line of graphics cards made by Nvidia Corporation
- Riva, an Italian yachtbuilding company, part of the Ferretti Group as of 2000
- Riva (music group), a former music group in former Yugoslavia
- Riva/ Zki & Dobri, a dance group who performed with Dannii Minogue in 2001
- Riva (Belgariad), a fictional country in The Belgariad
- Riva (Star Trek), a fictional character in Star Trek, a deaf and mute mediator who was very successful at resolving disputes between warring peoples
- Riva (chocolate bar), a chocolate wafer bar made by McVitie's in the UK
- Riva, a brand of instant coffee owned by Cerebos Pacific Limited in Australia and New Zealand
- Lada Riva, automobile
- Riva Records, a record label
- Riva Aquarama, a speedboat model built by Riva
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