| Vachak | |
| Native Name: | Persian: واچك |
| Native Name Lang: | fa |
| Settlement Type: | Former Village |
| Pushpin Map: | Iran |
| Coordinates Footnotes: | [1] |
| Subdivision Type: | Country |
| Subdivision Name: | Iran |
| Subdivision Type1: | Province |
| Subdivision Name1: | Mazandaran |
| Subdivision Type2: | County |
| Subdivision Name2: | Tonekabon |
| Subdivision Type3: | District |
| Subdivision Name3: | Central |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Goli Jan |
| Unit Pref: | Metric |
| Population As Of: | 2006 |
| Population Total: | 632 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
Vachak (Persian: واچك) was a village in Goli Jan Rural District of the Central District of Tonekabon County, Mazandaran province, Iran.
After the 2006 National Census, the villages of Bala Shirud, Beramsar, Hemmatabad, Kaseh Gar Mahalleh, Khezr Konar, Kochanak, Lapa Sar, Lashtu, Mian Daj Mahalleh, Mohammadabad, Mojtame-ye Meskuni Farhangian, Pain Shirud, Ramj Mahalleh, Rashidiyeh, Shaghuz Kaleh, Sharifabad, Tamijanak, Vachak, and Zaruj Mahalleh were merged to establish the city of Shirud.[2]
At the time of the 2006 census, the village's population was 632 in 189 households.[3]