Pétur Jens Thorsteinsson (4 June 1854 – 27 July 1929) was an Icelandic businessman, merchant and entrepreneur.
[1] He was one of the key founders of Milljónarfélagið along with Thor Jensen.
[2] Pétur was married to Ásthildur Guðmundsdóttir.
Their children include artist Muggur and footballers Samuel Thorsteinsson, Gunnar Thorsteinsson and Friðþjófur Thorsteinsson.
[3]