|Full name||Louise Maria Hansson|
|Born||24 November 1996|
|Height||1.87 m (6 ft 2 in)|
|Weight||71 kg (157 lb)|
|College team||University of Southern California|
At the 2011 European Junior Swimming Championships, she won gold in the 50 m butterfly and a silver medal in the 50 m freestyle. At the 2012 European Junior Swimming Championships, she again won gold in the 50m butterfly.
At the 2013 World Aquatics Championships, she finished fourth in the 4 × 100 metre freestyle relay. At the 2014 World Championships (25m) in Doha, Qatar she was apart of the relay team that finished fourth in the 4 × 100 metre medley relay.
She won a gold medal at the 2014 European Aquatics Championships in Berlin with her team in the 4 × 100 m freestyle, and silver medals in the 4 × 200 m freestyle, in a new Swedish record, and the 4 × 100 m medley.
Individually, at the 2012 FINA World Swimming Championships (25 m), she finished 8th in the final of the Women's 100 metre freestyle, 9th in the 50 metre butterfly, missing out on the final with one hundredth of a second, and 9th as well in the 100 metre butterfly.
Hansson won her first international medal in an individual event, a bronze in the 200 m individual medley, at the 2015 Short Course Championships in Netanya, Israel. In the 4×50 m medley relay she won a silver medal swimming the backstroke lead-off leg. Her sister Sophie swam the second (breaststroke) leg.
Hansson was anchoring in the relay that won a silver at the 2015 FINA World Swimming Championship in Kazan, Russia. Hansson did also participate in the 2016 Olympic Games in Rio de Janeiro. She swam 100 fly, 200 IM individually and all relays. In both 4x100 freestyle and 4x200 freestyle Sweden finished 5th.
2016 Hansson moved to Los Angeles to swim for the University of Southern California.
The personal bests of Louise Hansson, as of 1 July 2019.
|Long course (50m)|
|50m freestyle||25.15||2 July 2017||Borås, Sweden|
|100m freestyle||54.62||13 April 2014||Eindhoven, Netherlands|
|200m freestyle||1:58.45||6 August 2015||Kazan, Russia|
|400m freestyle||4:14.00||28 February 2014||Berlin, Germany|
|50m backstroke||29.50||1 March 2014||Berlin, Germany|
|100 m backstroke||1:00.35||3 April 2019||Toronto, Ontario, Canada|
|200m backstroke||2:14.71||28 February 2014||Berlin, Germany|
|50m breaststroke||34.70||7 March 2010||Berlin, Germany|
|100m breaststroke||1:19.71||19 June 2010||Simrishamn, Sweden|
|50m butterfly||25.84||3 April 2019||Toronto, Ontario, Canada|
|100m butterfly||57.35||5 April 2019||Toronto, Ontario, Canada|
|200m butterfly||2:13.25||8 July 2018||Landskrona, Sweden|
|200m medley||2:12.72||31 March 2015||Berlin, Germany||NJR|
|400m medley||5:08.77||16 May 2010||Mölndal, Sweden|
|Short course (25m)|
|50m freestyle||24.52||4 November 2015||Helsingborg, Sweden|
|100m freestyle||52.88||6 November 2015||Helsingborg, Sweden|
|200m freestyle||1:53.98||7 November 2015||Helsingborg, Sweden|
|400m freestyle||4:06.95||13 October 2013||Moscow, Russia|
|800m freestyle||8:32.19||26 January 2015||Helsingborg, Sweden||NJR|
|50m backstroke||26.98||7 November 2015||Helsingborg, Sweden|
|100m backstroke||57.74||3 December 2015||Netanya, Israel|
|200m backstroke||2:11.67||18 december 2011||Helsingborg, Sweden|
|50m breaststroke||39.88||9 February 2008||Hässleholm, Sweden|
|100m breaststroke||1:09.53||21 March 2015||Helsingborg, Sweden|
|25m butterfly||16.26||10 March 2007||Helsingborg, Sweden|
|50m butterfly||25.83||23 November 2012||Helsingborg, Sweden|
|100m butterfly||56.56||17 December 2017||Copenhagen, Denmark|
|200m butterfly||2:10.82||14 October 2012||Stockholm, Sweden|
|100m medley||58.77||5 November 2015||Helsingborg, Sweden||NJR|
|200m medley||2:06.29||4 November 2015||Helsingborg, Sweden||NJR|
|400m medley||4:40.39||5 October 2013||Helsingborg, Sweden|
She lives in Ramlösa, Helsingborg, Sweden. Her younger sister Sophie Hansson is also a competitive swimmer, winner of a bronze medal at the 2014 European Junior Swimming Championships and finishing fourth in the 50 metre breaststroke at the 2014 Summer Youth Olympics. Her father Lars-Olof Hansson is the coach at her club Helsingborgs SS. She also has a younger brother Gustaf. She studies natural sciences at the Nationell Idrottsutbildning, a sport school in Helsingborg.
- "HANSSON, Louise (1996 )". Swim rankings. Retrieved 1 July 2019.
- "Louise Hansson". Eurosport.com. Retrieved 15 December 2014.
- Lord, Craig (December 6, 2015). "Laszlo Cseh Goes Longer On Longevity With s/c 1:49 Euro Mark & WR-Rattler 200 'Fly". Swimvortex. Retrieved December 6, 2015.
- "Svenska rekord 25 m damer". Svensk Simidrott. Retrieved 7 November 2017.
- "Louise Hansson". Swedish Olympic Committee. Retrieved 15 December 2014.
- Silvander, Heidi (12 December 2013). "Systrarna Hansson har ett EM ihop". Sydsvenskan (in Swedish).
- "Youth Olympic Games: China Downs Mixed 400 Free Relay World Junior Record; Anton Chupkov Posts WJR As Well". Swimming World. 17 August 2014.
- Borgå, Tomas. "Simmarglädje". Aquamagasin. Retrieved 15 December 2014.