| Nanthoor | |
| Settlement Type: | Junction |
| Subdivision Type: | Country |
| Subdivision Name: |  India |
| Subdivision Type1: | State |
| Subdivision Name1: | Karnataka |
| Subdivision Type2: | District |
| Subdivision Name2: | Dakshina Kannada |
| Subdivision Type3: | City |
| Subdivision Name3: | Mangalore |
| Governing Body: | Mangalore City Corporation |
| Pushpin Map: | India Karnataka#India |
Nanthoor is a locality in the city of Mangalore, Karnataka, India. It is one of the busiest junctions in Mangalore. It is the junction of two national highways. Karnataka's longest national highway (NH 169) starts from Nanthoor Junction. It is close to Lotus Mall, one of biggest malls in India. Nanthoor is one of the commercial centres of Mangalore. Westline Signature, the tallest under-construction building of South India, with 53 floors, is located at Nanthoor. It is also known as Silk Board junction of Mangalore due to traffic congestion which occurs most of the time.[1]