Campanula wilkinsiana is a rare species of bellflower known by the common name Wilkins' bellflower. It is endemic to California, where it is known fewer than twenty scattered occurrences in the Klamath Mountains and Cascade Range, and possibly the northern peaks of the High Sierra. It grows in temperate coniferous forest and mountain meadows. This is a perennial herb growing from a slender rhizome and producing an erect or leaning stem up to about 30 centimeters long. The plant is known to form dense colonies of many individuals. The thin, toothed leaves are between 1 and 2 centimeters long. The flower is bright blue to deep purple, funnel-shaped, and just over a centimeter long. The stigma is blue and protrudes from the mouth of the bloom.