Sarcoscypha occidentalis, commonly known as the stalked scarlet cup or the western scarlet cup, is a species of fungus in the family Sarcoscyphaceae of the Pezizales order. Fruit bodies have small, bright red cups up to 2 cm (0.8 in) wide atop a slender whitish stem that is between 1 to 3 cm (0.4 to 1.2 in) long. A saprobic species, it is found growing on hardwood twigs, particularly those that are partially buried in moist and shaded humus-rich soil.