Most Rev. Aloysius Maria Benziger
(Bishop of Quilon)
(1905 to 1931)
Most Rev. Lawrence Pereira
(First Bishop of Kottar)
(1930 to 1938)
Most Rev. Thomas Roch Agniswamy, S.J.
(Second Bishop of Kottar)
(1938 to 1971)
Most Rev. Marianus Arockiasamy
(Third Bishop of Kottar)
(1971 to 1987)
Most Rev. Leon A. Tharmaraj
(Fourth Bishop of Kottar)
(1989 to 2007)
Most Rev. Peter Remigius
(Fifth Bishop of Kottar)
(24.08.2007 to 20.05.2017)