| Lok Sabha constituency | |
| Constituency details | |
|---|---|
| Country | India |
| Region | East India |
| State | Bihar |
| Assembly constituencies | Sandesh Barhara Arrah Agiaon Tarari Jagdishpur Shahpur |
| Established | 1957 (Shahabad) 1977 (Arrah) |
| Reservation | None |
| Member of Parliament | |
| 18th Lok Sabha | |
| Incumbent | |
| Party |  CPI(ML)L |
| Alliance | I.N.D.I.A. |
| Elected year | 2024 |
| Preceded by | Raj Kumar Singh |
Arrah Lok Sabha constituency (formerly Shahabad) is one of the 40 Lok Sabha (parliamentary) constituencies in Bihar, India. It is a part of the Bhojpur district and comprises seven Assembly constituencies: Sandesh, Barhara, Arrah, Agiaon (SC), Tarari, Jagdishpur and Shahpur.