Pyotr Ivanovich Melissino (Greek: Πέτρος Μελισσηνός, romanized: Petros Melissinos, Russian: Пётр Мелиссино, French: Pierre De Mellisino); c. 1726 – c. 1797) was a General of the Artillery of the Russian Empire and was widely considered the best Russian artilleryman of the 18th century.