| Coat of arms of the British Indian Ocean Territory | |
| Lesser: | Shield of the British Indian Ocean Territory.svg |
| Lesser Width: | 120px |
| Lesser Caption: | Escutcheon-only version |
| Armiger: | Commissioner for the British Indian Ocean Territory Monarch of the British Indian Ocean Territory |
| Year Adopted: | 1990 |
| Crest: | Naval crown through which rises a red tower bearing the territory's flag |
| Motto: | In tutela nostra Limuria Limuria is in our charge/trust |
| Shield: | In chief the Union Jack proper, in base azure, Palm tree and St. Edward's Crown on a base of three wavy lines argent, a sun in splendour or in the canton |
| Supporters: | Hawksbill turtle and a green turtle |
| Compartment: | Sand and seashells |
| Use: | Coat of arms of the British Indian Ocean Territory |
The coat of arms of the British Indian Ocean Territory was granted in 1990 on the 25th anniversary of the territory's establishment.
The centrepiece of the arms, the shield, bears a palm tree and St. Edward's Crown on a base of three white wavy lines representing the ocean, a sun in splendour in the upper-left corner, and the Union Flag in a chief at the top. Two sea turtles are used as supporters (a hawksbill turtle and a green turtle), representing the local native wildlife. The crest comprises a naval crown through which rises a red tower bearing the territory's flag; there is no helm or mantling.[1]
The motto is In tutela nostra Limuria, Latin for “Limuria is in our charge/trust”. This latinised name refers to the non-existent continent of Lemuria, once thought to occupy the Indian Ocean.
The palm tree and royal crown also feature in the flag of the British Indian Ocean Territory.