Daniel Anthony Ivankovich (born November 23, 1963) is an American orthopedic surgeon, humanitarian and blues musician.
He is best known for his advocacy of the underserved in Chicago's inner city as leader of the Bone Squad, a group of medical professionals who treat the city's uninsured and underinsured.
He is also the medical director and co-founder of OnePatient Global Health Initiative, a nonprofit foundation based in Chicago with a mission "to treat patients... who have musculoskeletal health disorders, regardless of their ability to pay."