Part of the Bible was written in Koine Greek.
Bible . The New Testament is a collection of writings by early Christians , believed to be mostly Jewish disciples of Christ , written in first-century Koine Greek . These early Christian Greek writings consist of narratives , letters , and apocalyptic writings . Koine Greek . Koine is also the language of the Christian New Testament , of the Septuagint ( the 3rd-century BC Greek translation of the Hebrew Bible ) , and of most early Christian theological writing by the Church Fathers .