The Battle of Castricum saw a Franco-Dutch force defeat an Anglo-Russian force near Castricum, Netherlands. The battle was fought during the War of the Second Coalition against Revolutionary France between French and Dutch forces under the command of General Guillaume Brune and Herman Willem Daendels and British and Russian forces under the command of the Duke of York, Sir Ralph Abercromby and the Prince of Orange.

Guillaume Marie-Anne Brune, 1st Count Brune was a French military commander, Marshal of the Empire, and political figure who served during the French Revolutionary Wars and the Napoleonic Wars.