| September 2015 Borno State bombings | |
|---|---|
| Part of Boko Haram insurgency | |
 Location of Borno State in Nigeria | |
| Location | Maiduguri and Monguno, Borno State, Nigeria |
| Date | September 20, 2015 ~7:30–9:30 p.m. (UTC+01:00) |
Attack type | Suicide attack, bombing |
| Weapons | Improvised explosive devices |
| Deaths | 145+ |
| Injured | 97+ (police report) 150+ (local report) |
| Perpetrators | Boko Haram (suspected) |
On the evening of September 20, 2015, a series of bombings took place in Maiduguri and Monguno, Nigeria, killing at least 145 people and injuring at least 97 others. The majority of casualties occurred in Maiduguri where four explosions killed at least 117 people.