Robert Arnold Schürhoff Martineau (born 22 August 1913 in Birmingham; died 28 June 1999 in Denbigh, Clwyd) was a British bishop who was the first Bishop of Huntingdon and who was later translated to Blackburn.
Educated at King Edward's School, Birmingham, and Trinity Hall, Cambridge, he was ordained in 1938.
His first post was as a curate at Melksham after which he was a World War II chaplain in the RAFVR.
When peace returned he became Vicar of Ovenden, Halifax, and then Allerton, Merseyside, before his ordination to the episcopate.