Riva
- Full Name: Riva
- Born: Ramatis III (TNG: "Loud as a Whisper")
- Member of the ruling family of Ramatis III (TNG: "Loud as a Whisper")
- As with the rest of the ruling family, suffered from hereditary deafness (TNG: "Loud as a Whisper")
- Species: Ramatisian
- Gender: Male
- By 2359: Federation Ambassador at-large (TNG Novel: The Buried Age)
- Still serving by 2365 (TNG: "Loud as a Whisper")
- Noted accomplishments
- Mediated various treaties with the Klingon Empire (TNG: "Loud as a Whisper")
- Negotiation alongside Sarek of truce with Cardassian Union in 2358 (TNG Novel: The Buried Age)