Christophe Ernest Bonjean (21 September 1823 – 3 August 1892) was a French Catholic missionary and priest who became the first Archbishop of Colombo, Ceylon in 1886.

In 1846, he was ordained as a priest of the Catholic missionaries, Oblates of Mary Immaculate, and in the following year was sent to India.

[1] After beginning his missionary work in India in 1847, Bonjean went to Jaffna, Ceylon in 1856 and joined there the Oblates mission.

On 24 July 1868, he was appointed Vicar Apostolic of Jaffna, and Titular Bishop of Medea, and was ordained on 24 August 1868.

During the 1860s, he proposed to the government the establishment of schools administered by the main religious faiths: Christian, Buddhist, Muslim and Hindu, with each entitled to state aid.