Þórbergur Þórðarson (Thorbergur Thordarson) (Hali í Suðursveit, 12 March 1888/1889 — Reykjavík, 12 November 1974) was an Icelandic author and Esperantist. On 30 June 2006, Þórbergssetur was opened as a museum and cultural center in Hali, Suðursveit.