Cod Alliance Treaty
| The Cods were probably named for the scale-like arms of its leader William of Bavaria | |
| Type | Alliance | 
|---|---|
| Drafted | 23 May 1350 or 12 June 1351 | 
| Location | Probably Delft | 
| Sealed | Disputed | 
| Original signatories | 
 | 
| Language | Dutch | 
The Cod Alliance Treaty was a 1350 or 1351 treaty by which a number of nobles and cities allied with William V of Holland against his mother Margaret II, Countess of Hainaut and her allies. It was signed in the first phase of the Hook and Cod wars.