The coat of arms of the Kingdom of Tonga were adopted in 1875.
The heraldic blazon is: first quarter, Or, three mullets of six points argent; second quarter, Gules, the Royal Crown of Tonga proper; third quarter, Azure a dove volant argent holding an olive branch vert; fourth quarter, Or, three swords in fret argent; overall, a mullet of six points argent charged with a cross couped gules. Below the shield is a scroll with the motto “Ko e ʻOtua mo Tonga ko hoku Tofiʻa” (God and Tonga are my inheritance). The crest is the Royal Crown of Tonga within an olive wreath. The supporters are flags of Tonga.