Bungarus slowinskii, the Red River krait, is a species of venomous snake in the family Elapidae.

[2] The species is endemic to mainland Southeast Asia.

[3] The specific name, slowinskii, honors Joseph Bruno Slowinski, an American herpetologist who died from a krait bite at age 38.

The dorsal scales in the vertebral row are enlarged and hexagonal.

[2] The preferred natural habitat of B. slowinskii is forest, at altitudes of 400–700 m (1,300–2,300 ft).