The former Bishop of Durham was asked which way US evangelicals should vote on November 8th.
He replied, "prayerfully. Politics isn't about choosing a messiah."
The Surprised by Hope author added that while he did not agree with all of Hillary Clinton's policies the decision was a "no brainier".
His keynote address opened the conference and was followed by a Q&A chaired by Elizabeth Oldfield from Theos.
He reminded Christians that the "Church has non-negotiable responsibility to remind world leaders what their job actually is and hold the world to account."
Donald Trump has faced under criticism for his comments about Mexicans, black people and women during his campaign, dismissing the latest remarks about women revealed in a 2005 video as "locker room talk."
The conference finished with a party to celebrate the 40th year of the Church and Media Network.
The professor, who is a leading expert on St Paul and considered one of the world's leading New Testament scholars also revealed he had recently been asked "If Paul were to write an epistle to Theresa May what would he say?"
Speaking about the church's role in society Wright said: "The church is to hold the feet of authorities to the fire" and attacked the previous government for bailing out banks while refusing to cancel the debts of the poorest around the world."
