List of storms named Namtheun explained

The name Namtheun has been used to name four tropical cyclones in the northwestern Pacific Ocean. This name was contributed by Laos and named after a river, the Nam Theun.

• Typhoon Namtheun (2004) (T0410, 13W) – struck Japan.
• Tropical Storm Namtheun (2010) (T1008, 09W) – formed between Taiwan and mainland China.
• Typhoon Namtheun (2016) (T1612, 15W, Enteng) – struck Japan.
• Severe Tropical Storm Namtheun (2021) (T2119, 23W) – did not affect land.