Queen of the Pacific is a name or nickname of ships and places associated with the Pacific Ocean, the largest of Earth's oceans.

RMS Empress of Japan, also known as the "Queen of the Pacific", was an ocean liner built in 1890–1891 by Naval Construction & Armaments Co, Barrow-in-Furness, England for Canadian Pacific Steamships (CP). This ship – the first of two CP vessels to be named Empress of Japan – regularly traversed the trans-Pacific route between the west coast of Canada and the Far East until 1922. During the First World War she served as armed merchant cruiser, becoming HMS Empress of Japan for the period that she was a commissioned ship of the Royal Navy.