Levon Michael Khachigian (born 6 March 1964 in Beirut, Lebanon) is an Australian medical research scientist notable for his work in vascular cell and molecular biology. He is a Professor in the Faculty of Medicine at the University of New South Wales. Khachigian is known for his studies in the area of transcriptional control and for translating basic discoveries into potential novel therapeutics. He is the inventor of the experimental drug Dz13, which may help treat a range of common diseases or complications including skin cancer, post-angioplasty restenosis, macular degeneration and asthma.