John Spenser Somerville ONZ CMG MC ChStJ (7 July 1910 – 5 October 1999) was a New Zealand Presbyterian leader.

[2] From 1935 to 1937 he trained at the Theological Hall of the Presbyterian Church of New Zealand at Knox College, at the end of which time he received his certificate of license.

He then travelled to the United Kingdom, where he studied at Westminster College, Cambridge and the University of St Andrews.

[1] During World War II, Somerville served as a chaplain with the New Zealand forces from 1942 to 1945, first in Egypt and then in Italy.

[4] He died in Dunedin on 5 October 1999[5] and his ashes were buried in Andersons Bay Cemetery with those of his parents.