Tipu Zahed Aziz, FMedSci (Bengali: টিপু আজিজ জাহেদ; born 9 November 1956) is a Bangladeshi-born British professor of neurosurgery at the John Radcliffe Hospital in Oxford, Aarhus Denmark and Porto, Portugal. He specialises in the study and treatment of Parkinson's disease, multiple sclerosis, dystonia, spasmodic torticollis, fixed abnormal posture of the neck, tremor, and intractable neuropathic pain. Besides his medical work, he is also notable as a public commentator in support of animal experimentation.