The coat of arms of Saint Lucia was adopted on 8 January 1979, by a royal warrant of Queen Elizabeth II, following her death in September 2022, it was still used by her son who become King Charles III, when it was titled following his coronation in 2023 as the King of Saint Lucia.^[1] The national motto (the land, the people, the light) is found at the bottom.

The government of Saint Lucia describes the arms as follows:^[1]

Azure two sticks of cut bamboo in Cross surmounted of an African stool of authority Or between in dexter chief and sinister base a Rose Argent charged with another Gules both barbed and seeded proper an in sinister chief and dexter base a Fleur-de-lis Gold and for the Crest upon a Helm with a Wreath Or and Azure in front of two Fronds of the Fern Polypoduim in Saltire a Cubit Arm proper the hand holding erect a Torch Gold enflamed also proper and for the Supporters on either side a Saint Lucia Parrot commonly called Jacquot (Amazona versicolor) wings elevated and addorsed and in the beak of each a Frond of the Fern Polypoduim all proper and for the Motto: THE LAND-THE PEOPLE-THE LIGHT

• Badge of Saint Lucia from 1875 to 1939.
• Arms of Saint Lucia from 1939 to 1967.
• Arms of Saint Lucia from 1967 to 1979.