Haematomis uniformis is a moth of the Arctiidae family. It was described by Schaus in 1899. It is found from Arizona and the Big Bend region of Texas to Mexico. The wingspan is 24–30 mm. The forewings have a rose coloured patch where the wing meets the body. The hindwings are grey with white at the base. They become darker towards the costal margin. Adults are on wing from July to September.