| Jahanabad | |
|---|---|
| Lok Sabha constituency | |
| Constituency details | |
| Country | India |
| Region | East India |
| State | Bihar |
| Established | 1957 |
| Reservation | None |
| Member of Parliament | |
| 18th Lok Sabha | |
 | |
| Incumbent | |
| Party |  RJD |
| Alliance | I.N.D.I.A. |
| Elected year | 2024 |
| Preceded by | Chandeshwar Prasad,  _Flag.svg){kind=small} JD(U) |
Jahanabad Lok Sabha constituency is one of the 40 Lok Sabha (parliamentary) constituencies in Bihar state in eastern India.