Eduardo Peña Dolhun is an American family physician in San Francisco, California. He is the inventor of DripDrop, a medical-grade oral rehydration solution. Dolhun is a staff member at the California Pacific Medical Center and founded the Dolhun Clinic, the Dolhun Clinic Pre-Medical Internship Program, and Doctors Outreach Clinics. He is an Adjunct Professor of Biomedical Sciences, College of Health Sciences at Marquette University. Dolhun was the co-director of Ethnicity and Medicine at Stanford University from 2000-2018.