Iwo Odrowąż (died 21 August 1229) was a medieval Polish humanist, statesman, and bishop.
Iwo was very probably born in Końskie, son of Szaweł Odrowąż and a member of the noble family of Odrowąż. He studied in Bologna and Paris, maintained contacts with a number of Western European intellectuals, and developed for himself a reputation as a "splendid representative of medieval Latin culture", though no writings of his survive.
He later served as chancellor to Leszek I the White from 1206 to 1218, and as Bishop of Kraków from 1218 to 1229. Although designated by Pope Honorius III in 1219 as archbishop of Gniezno, he refused to accept the appointment.
While chancellor he encouraged the reforms of Pope Innocent III. In 1215, he took part in the Fourth Lateran Council together with Archbishop Henryk Kietlicz. After the death of Leszek he supported Henry I the Bearded against Konrad I of Masovia.
In 1223, thanks to his endeavours, the Dominican Order sent friars from Bologna to Kraków, the first Dominican presence in Poland, with the first Polish Dominican friar Jacek Odrowąż, his kinsman, who in the year 1594 was canonised. In 1220 Iwo brought the Order of the Holy Ghost (Ordo Fratrum Canonicorum Regularium Sancti Spiritus de Saxia) to Prądnik Biały, where he entrusted them with the care of the hospital.
Iwo is thought to be the probable founder of the church in Wysocice at the beginning of the 13th century. In 1222 in Kacice near Słomniki he established a Cistercian monastery, which later moved to Mogiła near Kraków and became known as Mogiła Abbey. He developed campaigns for settlement on the estates of the bishops of Kraków. He provided endowments for the Cistercian monasteries of Sulejów and Wąchock as well as the Premonstratensian monasteries in Hebdów and Imbramowice, an ancestral foundation of the Odrowąż family, where the bishop's sister was abbess. He also founded two churches in Kraków: the Church of the Holy Spirit and the Church of the Holy Cross.
He died near Modena, Italy, while on a visit. His remains, through the agency of Wincenty of Kielcza, a family connection, were buried in the Dominican church in Kraków (now the Basilica of the Holy Trinity, Kraków).
- Kościół SS. Norbertanek w Imbramowicach pod wezwaniem św. Apostołów Piotra i Pawła. Wydane przez SS. Norbertanki.
- Lars Boje Mortensen (1999). "Philosophical Learning on the Edges of Latin Christendom: Some Late Twelfth-Century Examples from Scandinavia, Poland, and Palestine". Medieval Analyses in Language and Cognition. Acts of the Symposium 'The Copenhagen School of Medieval Philosophy,' January 10–13, 1996. Royal Danish Academy of Sciences and Letters. p. 303. ISBN 87-7876-148-4.
- Bronisław Geremek (1982). "Poland and the cultural geography of medieval Europe". In J. K. Fedorowicz (ed.). A Republic of Nobles: Studies in Polish History to 1864. CUP Archive. p. 21. ISBN 0-521-24093-X.