| Sanmudageri | |
| Native Name: | San Mudageri |
| Settlement Type: | hamlet |
| Pushpin Map: | India Karnataka#India |
| Pushpin Label Position: | right |
| Pushpin Map Caption: | Location in Karnataka, India |
| Coordinates: | 14.8667°N 74.1333°W |
| Subdivision Type: | Country |
| Subdivision Name: |  India |
| Subdivision Type1: | State |
| Subdivision Name1: | Karnataka |
| Subdivision Type2: | District |
| Subdivision Name2: | Karwar |
| Unit Pref: | Metric |
| Population Density Km2: | auto |
| Demographics Type1: | Languages |
| Demographics1 Title1: | Official |
| Demographics1 Info1: | Kannada |
| Timezone1: | IST |
| Utc Offset1: | +5:30 |
| Registration Plate: | KA |
| Iso Code: | IN-KA |
San Mudageri (Small Mudageri) is a hamlet in the district of Karwar, lying halfway between the Karnataka, Goa border and the historic fort of Sadashivgad.