Police will be trained on the importance of the Koran and Sharia law to Muslims under Government plans to tackle extremism.
Lessons in the Islamic faith and culture will become part of the formal training for recruits.
Chief constables said officers will build better relationships by understanding the communities they are policing.
This could prove crucial in rooting out extremism and preventing a terrorist attack, according to the Association of Chief Police Officers.
But critics expressed concern that the plan could foster division, rather than combat it.
It comes after the Archbishop of Canterbury, Rowan Williams, said the adoption of certain aspects of Sharia law in the UK "seems unavoidable".