Polygrammodes sanguifrons is a moth in the family Crambidae.

The forewings are pale yellow, the veins and costal area deeper yellow and the costal edge black to beyond the middle.

The postmedial line is pale fuscous and there is a subterminal series of pale fuscous spots in the interspaces.

The hindwings are pale yellow, the termen deeper yellow and the postmedial line pale fulvous, arising as a spot in the discal fold.

There is a subterminal series of pale fuscous spots from the costa to vein 2, below which it terminates in an oblique striga.