Color Symbolism: Blue, Red, & White: From Philippine National Flag. Green & Yellow: 1986 EDSA Revolution.

Twenty Five Arrow Heads: Current number of Barangays in Municipality.

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

Four Quadrants: Four (4) main products of Municipality, namely: cattle, coconut and rice, pottery / ceramic products, and port / arrastre services.

Big Arrow: Historical origin of name Odiongan; It is from local dialect "odiong" and later "indiong" which means "arrow" and "hit by an arrow", respectively; Odiongan was finally accepted coined name; arrow points upward as liftoff direction for development.

1846: Foundation year of Municipality.