Jesse Sergent (born 8 July 1988) is a retired New Zealand racing cyclist who rode professionally between 2011 and 2016 for , and .
Born in Feilding, Sergent won a bronze medal at the 2008 Summer Olympics in Beijing, as part of the New Zealand team in team pursuit, together with Sam Bewley, Hayden Roulston, Westley Gough and Marc Ryan.
On 10 November 2008, it was announced that Sergent had signed with 's under-23 development team, for 2009 and 2010. Sergent became a stagiaire with for the last part of the 2010 season. He then signed a professional contract for 2011 with . He represented New-Zealand at the 2010 Commonwealth Games held in Delhi, India. Sergent won a silver medal in the Individual Pursuit and silver in the Team Pursuit. Sergent, with several other riders, joined the former team to form , ahead of the 2012 season.
Sergent switched to track cycling for the 2012 London Olympics, where he and his teammates (Sam Bewley, Marc Ryan, Westley Gough) made themselves double Olympic bronze medalists. Aaron Gate was the only rider added to the team.
In 2013, Sergent rode for . He started the racing season with New Zealand elite road nations where he placed third.
In 2014, Sergent continued to ride for â renamed . For the 2014 season Sergent provided support to Fabian Cancellara. Sergent also rode in the Glasgow Commonwealth Games individual road time trial and road race.
Sergent was hit by a neutral service car during the 2015 Tour of Flanders, an accident which kept him out of the sport for three months and resulted in him having three operations. He subsequently signed a two-year deal with from the start of the 2016 season. However, in July 2016, Sergent retired from professional cycling at the age of 28.