Helmstan  | |
|---|---|
| Bishop of Winchester | |
| Appointed | between 838 and 839 | 
| Term ended | between 844 and 852 or 853 | 
| Predecessor | Eadhun | 
| Successor | Swithun | 
| Orders | |
| Consecration | between 839 and 839 | 
| Personal details | |
| Died | between 844 and 852 or in 853 | 
| Denomination | Christian | 
Helmstan was a medieval Bishop of Winchester. He was consecrated between 838 and 839. He died between 844 and 852 or in 853. [1]