The slave ship Ana do Rio arrived with enslaved Africans in Brazil. About 341 people had been taken aboard and approximately 317 arrived.

Vessel: Ana do Rio; flag: Portugal / Brazil; rig: Schooner. People recorded in connection with the voyage: Investor: Almeida, Bernardo Luís de; Captain: Oliveira, João José de. The voyage began at Rio de Janeiro on 26 September 1817. Principal recorded place where captives were acquired: Cabinda (West Central Africa and St Helena). Principal recorded disembarkation place: Rio de Janeiro. Recorded duration of the captives' Atlantic crossing: 34 days. Estimated mortality during the crossing: 7.0%. Recorded outcome: Voyage completed as intended.