The giant kangaroo rat (Dipodomys ingens) is an endangered species of heteromyid rodent endemic to California.
It is the largest of over 20 species of kangaroo rats, which are small members of the rodent family, measuring about 5.9 inches in length, including its long, tufted tail. It is tan or brown in color. Like other kangaroo rats it has a large head and large eyes, and long, strong hind leg with which helps it hop at high speeds.