Yvonne Jonsson (died July 1, 2005) was a 19-year-old Swedish woman living in Sri Lanka at the time of her murder. She was beaten and fatally strangled by Jude Shramantha Anthony Jayamaha in the stairwell of the Royal Park Condominium complex in Rajagiriya, Sri Lanka. Despite sustaining major blunt force cranial trauma, the cause of death was asphyxiation by either ligature or manual strangulation.