Ramprakash, 45, had long been tipped to be Graham Gooch's successor after the ex-England opener was axed earlier this year.
The former Middlesex and Surrey batsman emerged as the standout candidate when it became clear Graham Thorpe, who is highly valued at the ECB and previously worked as limited-overs batting coach under Ashley Giles, was reluctant to commit to England's gruelling tour commitments.
Ramprakash had previously worked with squad members at the National Performance Centre Loughborough and had already accepted an offer to travel with the England side for this month's one-day international tour of Sri Lanka.
"I am delighted to have appointed Mark as England batting coach," said ECB managing director Paul Downton.
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"During his time with both England Lions (the national A side) and the senior teams he has proved a valuable addition to the coaching group," added the former England wicketkeeper, who played alongside Ramprakash at Middlesex.
"Mark has formed excellent relationships with players and a strong partnership with Peter Moores and the management team and I have no doubt he will continue to have a positive impact as we begin an exciting winter of cricket."
"I will draw on my 25 years of experience as a cricketer but also am open to learning all the time. I feel we have a very exciting group of players and am relishing the opportunity to continue working with them."
As a player, Ramprakash is renowned as one of the very best to have appeared in domestic cricket in England, notching up 114 first-class centuries before his retirement at the age of 42.
That record has not stopped him acquiring a strong reputation as a coach.
Ramprakash's will also bring valuable experience of playing international cricket to a set-up that currently lacks it in Moores, his deputy Paul Farbrace and Australian bowling coach David Saker.