Philipose Mar Chrysostom Mar Thoma XX Valiya Metropolitan, was an Indian prelate who served as Metropolitan of the Malankara Mar Thoma Syrian Church from 1999-2007 and Valiya Thirumeni from 2007 until his death.

He was the world’s longest serving bishop, serving for −67 years, 11 months and 12 days. 

Born: 27 April 1918, Eraviperoor
Died: 5 May 2021, Thiruvalla

Books: Metropolitan Chrysostom on Mission in the Market Place, Veḷḷittālaṃ, Ent̲e bālyakālasmaraṇakaḷ

Nationality: Indian

Awards: Padma Bhushan

Church: Malankara Mar Thoma Syrian Church

Consecration: 23 May 1953