| Official Name: | Ddmashen |
| Native Name: | Դդմաշեն |
| Pushpin Map: | Armenia#Gegharkunik |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Name: | Armenia |
| Subdivision Type1: | Province |
| Subdivision Name1: | Gegharkunik |
| Subdivision Type2: | Municipality |
| Subdivision Name2: | Sevan |
| Leader Title: | Mayor |
| Established Title: | Founded |
| Established Date: | 1828 |
| Area Total Km2: | 1.86 |
| Population Footnotes: | [1] |
| Population As Of: | 2011 |
| Population Total: | 2,806 |
| Population Density Km2: | auto |
| Timezone: | AMT |
| Utc Offset: | +4 |
| Coordinates: | 40.5706°N 44.8183°W |
| Elevation M: | 1798 |
| Postal Code Type: | Postal code |
| Postal Code: | 1508 |
Ddmashen (Armenian: Դդմաշեն) is a village in the Sevan Municipality of the Gegharkunik Province of Armenia.
The village is also known as Totmashen and Dodmashen.
The village was founded in 1828 by emigrants from Maku. The 7th-century St. Thaddeus the Apostle Church is located in the eastern part of the village.[2] [3]