Sturla Þórðarson (Old Norse pronunciation: Old Norse pronunciation: [ˈsturlɑ ˈθoːrðɑrˌson]; Icelandic pronunciation: [ˈstʏ(r)tla ˈθourðarˌsɔːn]; 29 July 1214–30 July 1284) was an Icelandic chieftain and writer of sagas and contemporary history during the 13th century. Much academic debate is dedicated to evaluating his life, bias as an historian of medieval Iceland and Norway.