The name Prapiroon (Thai: พระพิรุณ, RTGS: Phra Phirun, pronounced [pʰráʔ pʰí(ʔ).rūn]) has been used to name five tropical cyclones in the northwestern Pacific Ocean. The name was submitted by the Kingdom of Thailand and refers to Varuna, a Thai rain god.
- Typhoon Prapiroon (2000) (T0012, 20W, Lusing) – a very costly typhoon that affected the Ryukyu Islands and the Korean Peninsula.
- Typhoon Prapiroon (2006) (T0606, 07W, Henry) – a moderate but deadly category 1 typhoon that affected China.
- Typhoon Prapiroon (2012) (T1221, 22W, Nina) – a category 3 typhoon that stayed in the open ocean.
- Typhoon Prapiroon (2018) (T1807, 09W, Florita) – a typhoon that worsened the floods in Japan and also caused impacts in neighboring South Korea.
- Severe Tropical Storm Prapiroon (2024) (T2404, 04W, Butchoy) – a severe tropical storm that made landfall in Hainan and Vietnam.