The slave ship Leoa Africana left the African coast carrying enslaved Africans toward Brazil. About 411 people had been taken aboard.

Vessel: Leoa Africana; flag: Portugal / Brazil; rig: Schooner. People recorded in connection with the voyage: Captain: Ferreira, João Antônio; Investor: Ferreira, João Antônio; Captain: Viana, João Miguel. The voyage began at Rio de Janeiro on 7 September 1827. Principal recorded place where captives were acquired: Benguela (West Central Africa and St Helena). Principal recorded disembarkation place: Rio de Janeiro. Recorded duration of the captives' Atlantic crossing: 32 days. Estimated mortality during the crossing: 3.0%. Recorded outcome: Voyage completed as intended.