Ratcliffe Gerard (c.1584 – in or before 1670) of Halsall, Lancashire was an English landowner who served in the Royalist army during the Wars of the Three Kingdoms.
[b] Gerard and his two sons, Gilbert and John, joined the Royalist army.
Ratcliffe was a lieutenant-colonel in twin brother's regiment.
He was in Raglan Castle at its surrender in 1646, and was one of the few English Royalists to take up arms for Charles II in 1651 and was captured at the Battle of Wigan Lane.
This English biographical article related to the military is a stub.