| Mariyammanahalli | |
| Other Name: | Narayanadevarakere |
| Settlement Type: | town |
| Pushpin Map: | Karnataka |
| Pushpin Label Position: | right |
| Pushpin Map Caption: | Location in Karnataka, India |
| Coordinates: | 15.16°N 76.36°W |
| Subdivision Type: | Country |
| Subdivision Name: |  India |
| Subdivision Type1: | State |
| Subdivision Name1: | Karnataka |
| Subdivision Type2: | District |
| Subdivision Name2: | Vijayanagara |
| Parts Type: | Talukas |
| Parts: | Hospet |
| Unit Pref: | Metric |
| Elevation M: | 523 |
| Population Total: | 12195 |
| Population As Of: | 2001 |
| Population Density Km2: | 25000 |
| Demographics Type1: | Languages |
| Demographics1 Title1: | Official |
| Demographics1 Info1: | Kannada |
| Timezone1: | IST |
| Utc Offset1: | +5:30 |
| Postal Code Type: | PIN |
| Postal Code: | 583222 |
| Area Code Type: | Telephone code |
| Area Code: | 08394 |
| Registration Plate: | KA 35 |
| Blank1 Name Sec1: | Nearest city |
| Blank1 Info Sec1: | Hospet |
| Blank2 Name Sec1: | Lok Sabha constituency |
| Blank2 Info Sec1: | bellary |
| Blank3 Name Sec1: | Vidhan Sabha constituency |
| Blank3 Info Sec1: | Hagaribommanahalli |
| Blank1 Name Sec2: | Climate |
| Blank1 Info Sec2: | hot (Köppen) |
| Iso Code: | IN-KA |
Mariyammanahalli (previously known as Sri Narayanadevarakere) is a town in the southern state of Karnataka, India. It is located in Vijayanagar (Hospet) Taluk, in the Vijayanagar district of Karnataka, south of Danapuram and east of Ankasamudra
In 2011, there were 3,243 families in the village, with a total population of 15,940, of which 7,944 were males, and 7,996 were females.
The native language of Mariyammanahalli is Kannada, but English is also spoken in the town.