Otto I, Prince of Anhalt-Aschersleben
| Otto I | |
|---|---|
Seal of Otto I | |
| Prince of Anhalt-Aschersleben | |
| Reign | 1266–1304 |
| Predecessor | Henry II |
| Successor | Otto II |
| Died | 25 June 1304 |
| Spouse |
Hedwig of Breslau (m. 1283) |
| Issue | Otto II, Prince of Anhalt-Aschersleben Princess Sophie Princess Elisabeth |
| House | Ascania |
| Father | Henry II, Prince of Anhalt-Aschersleben |
| Mother | Matilda of Brunswick-Lüneburg |
Otto I, Prince of Anhalt-Aschersleben (died 25 June 1304) was a German prince of the House of Ascania and ruler of the principality of Anhalt-Aschersleben.
He was the eldest son of Henry II, Prince of Anhalt-Aschersleben, by his wife Matilda, daughter of Otto the Child, Duke of Brunswick-Lüneburg. Otto was named after his maternal grandfather.