EXCLUSIVE

One Republic Donates $100k ... To Shooting Victim

One Republic has made one enormous gesture.

The band donated $100k to help cover medical costs for the victim of a shooting ... TMZ has learned.

The woman -- who has not been identified -- was shot in Nashville, TN last week and is in critical condition. She's the wife of a team member of One Republic.

One Republic is leading the charge in raising funds for her medical costs. The band is asking people to donate to a GoFundMe ... roughly $170k has been raised in just 5 days.

The wife of one of our family within the 1R team just got shot through the back while walking her dogs. Please help us help this family recover & bring attention to the EPIDEMIC of gun violence in this country. Thank you - 1R. https://t.co/4EflKp2xTw pic.twitter.com/tzaSpAoclR

Dierks Bentley also chipped in $2,000.

The victim has undergone multiple surgeries and lost her spleen ... but her condition is not life-threatening.

The suspects remain at large. Nashville police tells TMZ there's been a rash of shootings in the city and cops are investigating to see if they are connected.

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