Razathu I
| Razathu I of Launggyet ရာဇသူ ၁ | |
|---|---|
| King of Arakan | |
| Reign | 1256 - 1258 CE | 
| Predecessor | Alawmaphyu | 
| Successor | Saw Lu of Launggyet | 
| Born | 1232/33 CE Nyeinzara Toungoo | 
| Died | 1258 CE (aged 25) Launggyet | 
| Consort | Saw Swe | 
| House | Alawmaphyu | 
| Father | Alawmaphyu | 
| Mother | Saw Shwe Thit | 
| Religion | Therevada Buddhism | 
Razathu (Rakhine: ရာဇသူ ;1232/1233 - 1258) was a second monarch of Launggyet Dynasty of Arakan. He reigned for 2 years and was succeeded by his son.