Jude Thaddeus Okolo KC*HS (born 18 December 1956) is a prelate of the Catholic Church who has worked in the diplomatic service of the Holy See since 1990.
In addition to his native Igbo (and Hausa spoken where he was born), Okolo is fluent in English, French, Italian, Spanish and German.
He was assigned to the Roman Curia where he worked in the area of Dialogue with Christian Sects from 1984 to 1986.
He joined the diplomatic service of the Holy See in 1990 and served in diplomatic missions and nunciatures in Sri Lanka, Haiti, the Antillean Islands and other Caribbean island nations, Switzerland, the Czech Republic, and Australia.
On 2 August 2008, Pope Benedict XVI appointed him titular archbishop of Novica and Apostolic Nuncio to the Central African Republic and Chad.