| Haalanuru | |
| Other Name: | Halnoor |
| Settlement Type: | village |
| Pushpin Label Position: | right |
| Pushpin Map Caption: | Location in Karnataka, India |
| Subdivision Type: | Country |
| Subdivision Name: |  India |
| Subdivision Type1: | State |
| Subdivision Name1: | Karnataka |
| Subdivision Type2: | District |
| Subdivision Name2: | Tumkur |
| Unit Pref: | Metric |
| Population Density Km2: | auto |
| Demographics Type1: | Languages |
| Demographics1 Title1: | Official |
| Demographics1 Info1: | Kannada |
| Timezone1: | IST |
| Utc Offset1: | +5:30 |
| Postal Code Type: | PIN |
| Postal Code: | 572107 |
| Registration Plate: | ka 06 |
| Blank1 Name Sec1: | Nearest city |
| Blank1 Info Sec1: | Tumkur |
| Blank2 Name Sec1: | Lok Sabha constituency |
| Blank2 Info Sec1: | Tumkur |
Halanuru is a village in Tumkur taluk, Karnataka, 13 km from Tumkur and 3.2km (02miles) from Mallasandra.
Agriculture is the primary industry in Halnoor; crops include coconut, areca, paddy, jowar, vegetables, flowers, tamarind, mango and sapota. There are also some small scale Industries.
Irrigation needs are supplied by two area lakes, one of which is fed with Hemavathi channel water.
Malleshwara Swamy Temple which is in Halnoor is a major religious place for the Hindus around Halnoor, it has Jathra Mahothsava every year after one week of Ugadi festival.Halanuru has temples like Kashi Eshwara, Basavanna temple, Maruthi, and Gramadevathe Maramma,
Halnoor votes to elect MLA for Tumkur rural constituency, MP for Tumkur constituency and also elects around 7 members for the Mallasandra grama panchayati.
Halnoor has educational institutes which help students for education up to 12th std./2nd P.U.C.and Sanskrit education.
Halnoor is connected to Tumkur by a bus service. By train, a passenger can take a slow train to Shimoga, Aarsikere, or Hubli, get down at Mallasandra station. From there one can rent a rikshaw.