Escort Group B7 was a British formation of the Royal Navy which saw action during the Second World War; principally in the Battle of the Atlantic.
Escort Group B7 was one of seven such British naval groups which served with the Mid-Ocean Escort Force (MOEF). It provided convoy protection in the most dangerous midsection of the North Atlantic route. The MOEF was originally to be five American, five British and four Canadian groups. B7 was formed in the spring of 1942, following the inability of the USN to form groups A-4 and A-5 due to other commitments. To replace them, two new escort groups, B6 and B7, were formed.
Led by , under the leadership of Commander William Banks, B7 comprised six s; from the disbanded American group A-5, and , , , and
These were joined later by the destroyers HMS Chesterfield and Ripley.
B7's first convoys, in the spring of 1942, were uneventful, and as the pace of the Battle of the Atlantic hotted up in th