| Rein Bazar | |
| Other Name: | Old City |
| Settlement Type: | Inner city |
| Pushpin Map: | India Telangana#India |
| Pushpin Map Caption: | Location in Telangana, India |
| Subdivision Type: | Country |
| Subdivision Name: |  India |
| Subdivision Type1: | State |
| Subdivision Name1: | Telangana |
| Subdivision Type2: | District |
| Subdivision Name2: | Hyderabad District |
| Subdivision Type3: | Metro |
| Subdivision Name3: | Hyderabad Metropolitan Development Authority |
| Governing Body: | GHMC |
| Unit Pref: | Metric |
| Population Density Km2: | auto |
| Demographics Type1: | Languages |
| Demographics1 Title1: | Official |
| Demographics1 Info1: | Deccani Urdu, Telugu |
| Timezone1: | IST |
| Utc Offset1: | +5:30 |
| Postal Code Type: | PIN |
| Postal Code: | 500023 |
| Registration Plate: | TS |
| Blank1 Name Sec1: | Lok Sabha constituency |
| Blank1 Info Sec1: | Hyderabad |
| Blank2 Name Sec1: | Vidhan Sabha constituency |
| Blank2 Info Sec1: | Yakutpura |
| Blank3 Name Sec1: | Planning agency |
| Blank3 Info Sec1: | GHMC |
Rein Bazar is a part of Old City, Hyderabad, in Telangana, India.
No TSRTC buses serve Rein Bazar.
The closest MMTS Train station is at Yakutpura.
The TSRTC bus services will operate from Bagh-E-Jahanara to Charminar.