Diocese of Mananthavady
Rite: Syro-Malabar
Region : Kerala
Patron: Blessed Virgin Mary
Founded: 1 March 1973
Province: Tellicherry
Status: Diocese
Total area: 13, 036 Sq.kms
Total Population : 8,13,224
Catholics Total: 1,71,200
Diocesan Priests: 213
Religious Priests: 26
Religious Sisters: 1486
Minor Seminarians: 48
Major Seminarians: 72
Diocese of Mananthavady at a Glance
Ecclesiastical Institutions
| Parishes & Substations | : 145 | Retreat Centres | : 02 |
| Major Seminaries | : 0 | Diocesan Minor Seminaries | : 0 |
| Congregation Minor Seminaries | : 0 | Religious Formation Houses | : 42 |
| Men Religious Houses | : 106 | Women Religious Houses | : 239 |
| Hospitals | : 14 | Dispensaries / Clinics / Health Centres | : 11 |
| Orphanages | : 23 | Homes for Aged & Destitute | : 15 |
| Schools for Physically Challenged | : 0 | Homes for Physically Challenged | : 24 |
| Crèches | : 0 | Boarding Houses | : 0 |
| Counselling Centres | : 0 | De-addiction Centre | : 0 |
| Social Centres | : 06 | HIV / AIDS Centre | : 0 |
| Professional Colleges | : 15 | Degree Colleges | : 03 |
| Parallel Colleges | : 02 | Vocational / Technical Training Centres | : 05 |
| Higher Secondary / Junior Colleges | : 06 | High Schools | : 20 |
| Upper Primary Schools | : 71 | Lower Primary Schools | :46 |
| Nurseries / Pre-Primary Schools | :98 | Presses & Media Centres | : 02 |
His Holiness Pope Paul VI by the Bull "Quanta Gloria" of March 1, 1973 bifurcated the vast diocese of Tellicherry and erected the diocese of Mananthavady. The diocese comprised of the civil districts of Wayanad in Kerala, the Nilgiris in Tamil Nadu and the districts of Shimoga, Chikmangalore, Hassan, Mandya and Mysore in Karnataka. Mar Jacob Thoomkuzhy was consecrated as the first Bishop of Mananthavady on May 1, 1973.
On December 31, 1975, by a decree of the Congregation for the Oriental Churches, dated December 4, 1975, ten parishes of the diocese of Tellicherry in the civil districts of Kannur and Kozhikode (at present Malappuram) in Kerala were added to the diocese.
Mananthavady has an area of approximately 48,250 sq. kms. and a population of 1,64,823 Syrian Catholics. On June 7, 1995 Mar Jacob Thoomkuzhy was transferred as the bishop Thamarassery. And the then Proto-Synchellus Msgr. Joseph Kaniamattamwas appointed as the Administrator of the diocese on July 27, 1995. On January 26, 1997 Rt. Rev. Emmanuel Pothanamuzhy was consecrated as the second bishop of the diocese.
| Name | Designation | Period |
| Rev. Msgr. George Njaralakkat | Diocesan Administrator | 2003-2004 |
|
| Most Rev. Emmanuel Pothanamuzhy | Bishop | 1997-2003 |
|
| Rev. Msgr. Joseph Kaniamattam | Diocesan Administrator | 1995-1996 |
|
| Most Rev. Jacob Thoomkuzhy | Bishop | 1973-1995 |
|