Jan Beneš may refer to:
Jan Beneš (writer) (1936–2007), Czech writer, translator, publicist and screenwriter Jan Beneš (orienteer) (born 1987), Czech orienteering competitor Jan Beneš (footballer) (born 1982), Czech footballer Jan Beneš (rower) (born 1971), Czech Olympic rower
Fictional characters Jan Benes (Fantastic Voyage), the comatose scientist in Fantastic Voyage portrayed by Jean Del Val