| Pin Mill | |
|---|---|
 The shoreline at Pin Mill, Chelmondiston | |
  Pin Mill Location within Suffolk | |
| OS grid reference | TM2052537997 |
| District | |
| Shire county | |
| Region | |
| Country | England |
| Sovereign state | United Kingdom |
| Post town | Ipswich |
| Postcode district | IP9 |
| Dialling code | 01473 |
Pin Mill is a hamlet on the south bank of the tidal River Orwell, on the outskirts of the village of Chelmondiston, on the Shotley peninsula in southern Suffolk. It lies within the Suffolk Coast and Heaths Area of Outstanding Natural Beauty and is a designated Conservation Area. It is now generally known for the historic Butt and Oyster public house, and for sailing.