Antoine Bruni d'Entrecasteaux was educated at a Jesuit school and reportedly intended to become a priest in the Society of Jesus, but his father intervened and enlisted him in the French Navy in 1754.
Antoine Bruni d'Entrecasteaux blev uddannet på en jesuiterskole og skulle angiveligt have planlagt at blive præst i Jesuiterordenen, men hans far greb ind og fik ham ind i den franske flåde i 1754.