The Saint Petersburg Theological Academy (Russian: Санкт-Петербургская духовная академия) is a theological seminary in Saint Petersburg, Russia. The academy grants master and doctorate degrees preparing theologians and priests for the Eastern Orthodox Church. It was founded in 1797 by Gabriel (Petrov), Metropolitan of Saint Petersburg, as part of the Alexander Nevsky Lavra.
At the turn of the 20th Century the Saint Petersburg Theological Academy was one of four religious academies of the Russian Orthodox Church. The class of 1898 had a total of 235 students regularly attending classes.