Bahrain's Interior Ministry said on Thursday that an 11-year-old girl suffered minor injuries, while vehicles caught fire and homes were damaged in Hamad Town and the capital Manama after debris fell from Iranian drones that were intercepted and destroyed.
The ministry published pictures showing fire fighters trying to put out blaze in several homes.
The US and Iran traded air attacks for a second straight day on Thursday, with President Donald Trump vowing further strikes if Tehran does not immediately agree to a peace deal.
Iran's Islamic Revolutionary Guard Corps (IRGC) said it had launched attacks on 18 US military targets at airbases in Kuwait and Bahrain, as well as the US Navy's Fifth Fleet in Bahrain.
It later said it had also targeted the al-Azraq air base in Jordan for a second night running, firing 12 ballistic missiles at the US base.
Kuwait briefly closed its airspace on Thursday due to an Iranian attack.

Indian-crewed tanker hit off Oman in suspected third US strike this week
US and Iran trade attacks for a second day, undermining shaky ceasefire
Kuwait resumes airspace after brief closure due to Iranian attacks
Canada introduces legislation to ban social media for children under 16
Congo’s Ebola outbreak spreads to new health zone