The Official Seal (Municipal Ordinance No. 05-99) of the municipality as hereinunder depicted as follows:
- The Rope – the circle enclosing the seal is a rope in gold yellow which denotes the strength and solidarity of its people. Further, every rope strand denotes significance of each citizen’s participation in achieving the municipality’s vision and mission.
- The Gear – the gear in red color signifies for each of the twenty-one (21) barangays of the Municipality of Monkayo working hand-in-hand for the attainment of a sustainable economic development.
- The Agri-Based Processing Plant – symbolized success in the town’s goal and intention of becoming an agri-industrialized municipality.
- The Farm Equipment – the farm tractor/equipment symbolizes the municipality’s development in farm technology;
- The Mountain – a symbol of the municipality’s protection and preservation of natural resources.
- The Sun – denotes the bright future of the inhabitants of the municipality.
- The Dove and Leaves – denotes the presence of peace and order in Monkayo
- The Rice field, Corn and Coconut – depicts the major agricultural produce of the municipality.
- The Fruits (Durian, Banana and Lanzones) – reflect abundance of another major agricultural product of the municipality and symbol of the municipality’s potential for these fruits expansion and proliferation.
- The Mining Tools and Equipment – signifies the municipality’s commitment and approval for the mining activity of small scale miners.
- The Gold Bars – signifies abundance of this mineral resources in the municipality.
