Jeanette Ottesen (born 30 December 1987)[2] is a Danish competitive swimmer who participated at the 2004, 2008, 2012, 2016 and 2020 Summer Olympics.

She has won two individual long course world titles; in 100 m freestyle in 2011 (shared with Aleksandra Gerasimenya from Belarus, and in the 50 m butterfly in 2013.

In June 2015, two months before the 2015 World Aquatics Championships in Kazan, Russia, Ottesen and her boyfriend Marco Loughran were attacked in a road rage incident in Copenhagen, during which she broke her finger.

She recovered in time and won two silver medals at the world championships.

[8] At the 2016 Summer Olympics in Rio de Janeiro, she won a bronze medal as a part of the 4 × 100 m medley relay alongside Rikke Møller Pedersen, Mie Ø. Nielsen and Pernille Blume.