Bevan Spencer von Einem (born 29 May 1946) is a convicted child murderer and suspected serial killer from Adelaide, South Australia.
An accountant by profession, he was convicted in 1984 for the murder of 15-year-old Adelaide teenager Richard Kelvin, the son of local television and radio personality Rob Kelvin.
von Einem is currently serving life imprisonment.
He was in G Block of Yatala Prison for decades but was transferred to Port Augusta Prison in the north of the state in 2007.