Two Circles: Binding together of different ethnic and cultural groups working harmoniously towards the development of the community.

Shield: From the Provincial Seal of Isabela where the town is located.

Star: Tumauini as the "Shining Star of the North", indicative of star qualities, lofty ideals and grand ambitions.

1751: Year the Municipality was founded.

Sunrays: Municipality's ever-desirable blessings of love, peace, justice. freedom, and progress.