French ship Neptune (1818)

The Neptune was an 80-gun Bucentaure-class 80-gun ship of the line of the French Navy, designed by Sané.

Started in 1810, briefly renamed Brabançon during the Hundred Days and launched in 1818, after the Bourbon Restauration, she remained without commission until 1839.

She was part of a squadron under Admiral Hugon, along with Montebello and Andromaque.

She was also used to transport convicts to Western Australia.

She was struck in 1858 and used as a prison ship in Toulon harbour between 1865 and 1868.