Orthotaenia undulana is a moth of the family Tortricidae. It is found in the Palearctic realm.
The wingspan is 15–20 mm. It is light, beige and white with dark areas. When resting on a surface, it is well camouflaged and can resemble a bird's dropping. The ground color of the forewings is brownish or grayish, There is a light cross-band with fine brown lines. The wing tip is mostly white, but has small brown striae and spots and a larger brown mark along the outer edge. The hindwings are light brown.
The moth flies from May to mid-August.
The larvae feed on honeysuckle, Vaccinium, pine and birch.