Peter Kharischirashvili (in Georgian: პეტრე ხარისჭირაშვილი / ხარისჭარაშვილი, born in 1804 or 1805 in Akhaltsikhe, Tiflis Governorate, Russian Empire – 7 October 1890 in Constantinople) was a Georgian Catholic hieromonk, theologian, scientist and founder of the Servites of the Immaculate Conception.