| Honorific-Prefix: | Mar |
| Jacob Thoomkuzhy | |
| Metropolitan Archbishop Emeritus of Archeparchy of Trichur | |
| Province: | Archeparchy of Trichur |
| Diocese: | Thrissur |
| See: | Thrissur |
| Ended: | 22 January 2007 |
| Predecessor: | Joseph Kundukulam |
| Successor: | Andrews Thazhath |
| Ordination: | 22 December 1956 |
| Consecration: | 1 May 1973 |
| Other Post: | Jeevan TV, Marymatha Major Seminary, Jubilee Mission Medical College and Research Institute, Jyothi Engineering College, Cheruthuruthy, Thrissur, Mahajubilee Training College |
| Birth Date: | 1930 12, df=yes |
| Birth Place: | Vilakumadam, Palai, British India (present-day Kerala, India) |
| Religion: | Syro-Malabar Catholic Church |
| Residence: | St. Mary's Minor Seminary, Madona Nagar, Thrissur |
| Alma Mater: | Mangalapuzha Seminary, Pontifical Oriental Institute, Pontifical Lateran University, Fordham University |
| Bishop of Thamarassery | |
| Province: | Metropolitan Province of Thalassery |
| Diocese: | Eparchy of Thamarassery |
Mar Jacob Thoomkuzhy (born 13 December 1930) is an East Syriac Catholic Archbishop Emeritus, First Bishop of Mananthavady diocese, Second bishop of Thamarassery diocese and the second Metropolitan Archbishop of the Syro-Malabar Catholic Archdiocese of Thrissur in India. He was born at Vilakumadam in the Eparchy of Palai on 13 December 1930.[1] [2] He was educated at Thiruvambady in Kozhikode.