Benjamin Jensen (born 13 April 1975 in Mandal, Vest-Agder) is a Norwegian decathlete. He represented Mandal og Halse IL, IK Tjalve and IL Norna-Salhus during his active career. His personal best in decathlon is 8160 points, achieved in August 1999 in Roskilde. This is the former Norwegian record.
|1994||World Junior Championships||Lisbon, Portugal||1st||Decathlon||7676 pts|
|1997||European U23 Championships||Turku, Finland||—||Decathlon||DNF|
|1999||Universiade||Palma de Mallorca, Spain||3rd||Decathlon||7982 pts|
|World Championships||Seville, Spain||—||Decathlon||DNF|
|2001||Hypo-Meeting||Götzis, Austria||10th||Decathlon||8004 pts|
|World Championships||Edmonton, Canada||14th||Decathlon||8090 pts|
|2005||World Championships||Helsinki, Finland||—||Decathlon||DNF|