| Louis the Child | |
|---|---|
 Louis the Child as he appears on the Imperial Sword. | |
| King of East Francia | |
| Reign | 899 – 20/24 September 911 |
| Coronation | 4 February 900, Forchheim |
| Predecessor | Arnulf of Carinthia |
| Successor | Conrad I |
| King of Lotharingia | |
| Reign | 900 – 20/24 September 911 |
| Predecessor | Zwentibold |
| Successor | Charles III of France |
| Born | September/October 893 Ötting (Autingas), Bavaria |
| Died | 20/24 September 911 (aged 17 or 18) possibly Frankfurt |
| Burial | monastery of Saint Emmeram in Regensburg |
| Spouse | unknown |
| House | Carolingian dynasty |
| Father | Arnulf of Carinthia |
| Mother | Ota |
Louis the Child (893 – 20/24 September 911), sometimes called Louis III or Louis IV, was the king of East Francia from 899 until his death and was also recognized as king of Lotharingia after 900. He was the last East Frankish ruler of the Carolingian dynasty. He succeeded his father, Arnulf, in East Francia and his elder illegitimate half-brother Zwentibold in Lotharingia.
Louis became king when he was six and reigned until his death aged 17 or 18. During his reign the country was ravaged by Magyar raids.