Rubroboletus eastwoodiae, sometimes (but inaccurately) called satan's bolete, is a possibly toxic basidiomycete fungus of the bolete family. It occurs on the West Coast of the United States. It is closely related to Rubroboletus pulcherrimus. The mushroom turns blue when cut The cap is 10–25 cm wide, convex, olive-colored, pinkish in age, dry, has margin that curves inward then expands, and yellowish flesh. The stalk is 7–15 cm tall and 3–6 cm wide. The spores are olive-brown, elliptical, and smooth. Edibility of this species is unknown, it may be poisonous. It looks similar to but is genetically distinct from the European species Rubroboletus satanas. It is also similar to Rubroboletus pulcherrimus and Suillellus amygdalinus.