See "Lieutenant

Lieutenant

A lieutenant is a junior commissioned officer in many nations' armed forces. Typically, the rank of lieutenant in naval usage, while still a junior officer rank, is senior to the army rank...

" for other countries which use this rank

Navy (pre-2010)	Navy (2010+)	Land Force	Air Force

Lieutenant is a rank of the Canadian Forces

Canadian Forces

The Canadian Forces , officially the Canadian Armed Forces , are the unified armed forces of Canada, as constituted by the National Defence Act, which states: "The Canadian Forces are the armed forces of Her Majesty raised by Canada and consist of one Service called the Canadian Armed Forces."...

. As with the rank of Captain (Canada)

Captain (Canada)

Captain is a rank in the Canadian military.In the Canadian Army and the Royal Canadian Air Force, the rank insignia of an army and air force captain is two wide bars.The rank insignia of a navy captain is four wide bars....

, the naval rank is superior to the Land/Air rank.

A naval Lieutenant is equivalent to ranks with a NATO code of OF-2, whereas land/air Lieutenants are equivalent to ranks with a NATO code of OF-1.

The rank insignia of a naval lieutenant is two wide bars. The rank insignia of a land/air lieutenant is one wide bar with a narrow bar above it. On dress uniforms, the bars are gold thread. On CADPAT

CADPAT

Canadian Disruptive Pattern is the computer-generated digital camouflage pattern currently used by the Canadian Forces . CADPAT is designed to reduce the likelihood of detection by night vision devices. The basic uniform consists of a wide brim combat hat, helmet cover, shirt, jacket, trousers,...

and flying uniforms, the bars are olive drab on Army slip-ons, dark blue on Air Force slip-ons, and black on Navy slip-ons.

The British pronunciation "lef-tenant" is used by many, but the American (or original French) pronunciation of "loo-tenant" is sometimes heard.