Paul-Louis-Félix Philastre (born 7 February 1837 in Brussels, died 11 September 1902, Buyat-Beayeau, France) was a French colonial administrator, diplomat and scholar.
In Vietnamese royal records, he was referred as Hoắc Đạo Sinh (霍道生).
Philastre graduated from the French naval academy in 1857 and took service on the Avalanche, arriving in Cochinchina in 1861.
Philastre played in important role in mediating between the French colonial authorities in Annam and the royal court in Huế.
Philastre authored a number of works on Chinese and Vietnamese studies, most important of which are the first French translation of the Yijing and a complete translation of the Emperor Gia Long's Code, which was based on the Qing Code.