The 4th Battle Squadron was a squadron of the British Royal Navy consisting of battleships. The 4th Battle Squadron was initially part of the Royal Navy's Home Fleet (1912–14) and then the Grand Fleet after the outbreak of the First World War. The squadron changed composition often as ships were damaged, retired or transferred.

The 1st Battle Squadron was a naval squadron of the British Royal Navy consisting of battleships. The 1st Battle Squadron was initially part of the Royal Navy's Grand Fleet. After World War I the Grand Fleet was reverted to its original name, the Atlantic Fleet. The squadron changed composition often as ships were damaged, retired or transferred.