Lars Erik Aronsson (born March 19, 1966 in Örebro, Sweden) is a Swedish programmer and consultant, and the founder of two Swedish web sites: the free electronic book archive Project Runeberg and the Swedish language Susning.nu.
Aronsson was awarded "IP-priset" 2007 for his work with Project Runeberg, Susning.nu and . He has also attracted attention for his work with OpenStreetMap.