Pierre-Jean de Sales Laterrière (French pronunciation: [pjɛʁ ʒɑ̃ də sal latɛʁjɛʁ]; 1 July 1789 in Baie-du-Febvre, Quebec – 1834 in Les Éboulements, Lower Canada) was a doctor, militia officer and author; the elder son of Pierre de Sales Laterrière and Marie-Catherine Delezenne.
In 1807 or 1808 he went to England to study medicine at St Thomas' Hospital in London under Sir Astley Paston Cooper, a famous surgeon.
Admitted to membership in the Royal College of Surgeons of England in 1809, he did a period of training in a military hospital at Ramsgate.
Early in 1812 he went into partnership with his younger brother Marc-Pascal de Sales Laterrière, who had recently returned from studying medicine in Philadelphia.
A political and historical account of Lower Canada: with remarks on the present situation of the people, as regards their manners, character, religion, &c. &c. / by a Canadian.