1. Bengal tiger (_Panthera tigris tigris_): Found in India, Bangladesh, Nepal, Bhutan, and Myanmar. It is the most numerous tiger subspecies.
2. Indochinese tiger (_Panthera tigris corbetti_): Found in Myanmar, Thailand, Laos, Cambodia, Vietnam, and China.
3. Malayan tiger (_Panthera tigris jacksoni_): Found in Peninsular Malaysia.
4. Sumatran tiger (_Panthera tigris sumatrae_): Found in the Indonesian island of Sumatra.
5. Siberian tiger (_Panthera tigris altaica_): Found in eastern Russia, China, and North Korea. It is the largest tiger subspecies.
6. South China tiger (_Panthera tigris amoyensis_): Found in southern China. It is critically endangered, with only around 200 individuals remaining.