right|thumb|Marcin Odlanicki Poczobutt wearing the insignias of the [[Order of the White Eagle (Poland)|Order of the White Eagle.<br /> Portrait by Józef Oleszkiewicz]]
Marcin Odlanicki Poczobutt (; 30 October 1728 near Grodno – 7 February 1810 in Daugavpils) was a Polish–Lithuanian Jesuit, astronomer and mathematician. He was professor of Vilnius University for over 50 years, serving as its rector from 1780 to 1799. The crater Poczobutt on the Moon is named after him, as is the main-belt asteroid . Poczobutt is also the author of the University's motto, Hinc itur ad astra (from here one rises to the stars).
Career
Marcin Odlanicki Poczobutt was born in the village of near Grodno, within Lithuania proper. He studied at Vilnius University (1745–1751) and Charles University in Prague (1754–1756). With brief interruptions he lectured at Vilnius University from 1753 to 1808.