Jonas I Losovičius

Jonas I Losovičius
Bishop of Vilnius
Bishop of Lutsk
Portrait painted in the 17th century
ChurchRoman Catholic Church
SeeRoman Catholic Diocese of Vilnius, Roman Catholic Diocese of Lutsk
Appointed1463 (Lutsk), 1468 (Vilnius)
Installed1463 (Lutsk), 1468 (Vilnius)
Term ended1468 (Lutsk), 1481 (Vilnius)
PredecessorNicholas of Šalčininkai
Orders
RankBishop
Personal details
Born
Vilnius, Grand Duchy of Lithuania
DiedFebruary-August 1481
Vilnius, Grand Duchy of Lithuania
NationalityLithuanian
Alma materCollegium Maius of Kraków (possibly)

Jonas I Losovičius (Latin: Joannes Losowicz; born in Vilnius, died in February-August 1481 in Vilnius) was a Lithuanian Roman Catholic clergyman. Losovičius since 1463 served as the Bishop of Lutsk and later since 1468 as the seventh Bishop of Vilnius until his death.