Nicola Edgington (born 9 September 1980) is a British double killer who also attempted to murder a third person. Having killed her own mother in 2005, she attacked two strangers in the street in Bexleyheath in 2011, killing one. She was convicted of manslaughter due to diminished responsibility, attempted murder and murder. Had the surviving victim of her attacks been killed, Edgington would be classed as a serial killer.