Gilbert Désiré Joseph, baron Bachelu (French pronunciation: [ʒilbɛʁ deziʁe ʒozɛf baʃly]; 9 February 1777 – 16 June 1849) was a French division commander during the Napoleonic Wars.

He fought in the French campaign in Egypt and Syria and then went on the Saint-Domingue expedition in 1802.

He received command of an infantry regiment and fought at Austerlitz in 1805.

He joined Napoleon during the Hundred Days and led a division at Quatre Bras and Waterloo in 1815.

Imprisoned for a time by the Bourbon Restoration he won election to the Chamber of Deputies in 1830.