Pierre de Cheylan de Moriès du Castellet (Moriez, 3 August 1719 — Pisa, 25 November 1794)[1][2] was a French Navy officer.
[3] Moriès-Castellet was born to the family of Françoise d’Arbaud de Châteauvieux and François de Cheylan du Castelet Moriès,[1] from Fréjus.
[5] In September 1759,[6] he captured the British merchantman Prince of Wales,[7] and brought her back to Toulon.
[1] In 1770, he served as flag captain on Provence,[1] in a three-ship squadron under Rafélis de Broves that departed Toulon on 16 May, bound for Tunisia, where it blockaded the harbours of Sousse and Bizerte.
Moriès-Castellet took part in the bombardment of the cities in late June.