Calochortus kennedyi is a North American species of flowering plant in the lily family known by the common name desert mariposa lily.
Calochortus kennedyi is a perennialherb which produces a slender, unbranching, sometimes twisting stem up to 50 centimeters tall, but generally shorter. There is a basal leaf 10 to 20 centimeters long which is waxy in texture and withers at flowering.
The inflorescence consists of 1 to 6 erect bell-shaped flowers in a loose cluster. Each flower has three sepals and three petals which are usually spotted at the bases. The petals may be 5 centimeters long and are yellow, orange, or red in color.
The fruit is an angled, striped capsule up to 6 centimeters in length.