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

Cavans of Rice: Lasam as one of the rice granaries of Cagayan.

Rice Stalks: Farming as chief industry of Lasam and an agricultural community.

Power Tiller: Advancement in farm technology.

Sun Rays: Hope, peace, unity and progress for the Municipality.

Human Figures: Family, basic unit of the society symbolizing Lasamenos in general, facing the rising sun and envisioning "Onward to Progress for a Better Lasam".

River: Cagayan River which separates Lasam from its mother town Gattaran.