The Junior World Orienteering Championships (JWOC) are an annual orienteering competition. They were first held in 1990. Entry is open to national teams aged 20 and below as of 31 December in the year of competition. Representative countries must be members of the International Orienteering Federation (IOF).
Øyvin Thon is a Norwegian orienteering competitor, and has seven gold medals at the World Orienteering Championships.
Daniel Hubmann is a Swiss orienteering competitor, world champion in all three individual disciplines and multiple winner of the overall Orienteering World Cup. He is the brother of Martin Hubmann. Daniel also has his own fan club which is run by New Zealand Orienteer Joseph Lynch.
Giedrė Voverienė is a Lithuanian orienteering competitor. She received a bronze medal in relay at the 2002 European Orienteering Championships in Sümeg, together with Vilma Rudzenskaitė and Ieva Sargautytė. The same team finished 4th at the 2003 World Orienteering Championships in Rapperswil-Jona.
Ieva Sargautytė is a Lithuanian orienteering competitor. She received a bronze medal in relay at the 2002 European Orienteering Championships in Sümeg, together with Giedrė Voverienė and Vilma Rudzenskaitė. The same Lithuanian team finished 4th at the 2003 World Orienteering Championships in Rapperswil-Jona.
Olav Lundanes is a Norwegian orienteering competitor, hailing from Ålesund. He has won gold medal at the World Orienteering Championships ten times and the European Orienteering Championships four times. He competes for Halden SK.
Øystein Kvaal Østerbø is a Norwegian orienteering and ski-orienteering competitor. He finished overall third in the Orienteering World Cup in 2004, and won a silver medal in the relay in the 2004 World Ski Orienteering Championships. He has competed in all fifteen World Orienteering Championships since his debut in 2004 until 2018, obtaining his first two medals in Inverness in 2015; in the relay and mixed sprint relay, respectively. His best individual achievements are fourth places in the sprint in 2005 and 2010.
Damien Renard is a French orienteering competitor. He has received silver medals with the French relay team in both world championships and European championships. He won Swedish middle distance championship in 2005.
Petra Novotná is a Czech orienteering competitor. At the 1989 World Orienteering Championships in Skövde, she won a silver medal in the relay with the Czechoslovak team. She received a bronze medal in the relay event at the 1993 World Orienteering Championships, together with Maria Honzová, Marcela Kubatková and Jana Cieslarová. In the 1995 World championships, she again received a bronze medal in relay, with the same Czech team.
Torunn Fossli Sæthre is a Norwegian orienteering competitor and junior world champion.
Maja Møller Alm is a Danish orienteering and Athletics competitor who has won seven World Championships and two World Games titles. She is especially known for her four gold medals on the sprint distance, where she has won the title four years in a row: 2015, 2016, 2017 and 2018. She is also a medalist from the Junior World Championships. Since 2006 she has been coached by Danish national coach Lars Lindstrøm. Alm is remarkable for her dominant running speed, which gives her a great advantage over other competitors at the sprint distance.
Martin Johansson is a Swedish orienteering, ski-orienteering, and cross-country skiing competitor, a medallist at the orienteering world championships, and a 2004 Junior World Champion in relay. He received bronze medals in sprint at the World Orienteering Championships in Kyiv in 2007 and in Olomouc in 2008. His brother, Lars, is a member of the Rockford Icehogs
Ruslan Gritsan is a Russian competitor and multiple world champion in both ski-orienteering and mountain bike orienteering.
Sergey Detkov is a Russian orienteering competitor.
Karin Schmalfeld is a German orienteering competitor.
Svajūnas Ambrazas is a Lithuanian orienteering competitor.
David Schneider is a Swiss orienteering competitor. He received a bronze medal in the relay event at the 1996 Junior World Orienteering Championships in Govora.
Marja Liisa Autti is a Finnish orienteering competitor. She received a bronze medal in the relay event at the 1989 World Orienteering Championships in Skövde, together with Ulla Mänttäri, Annika Viilo and Eija Koskivaara.
Ida Bobach is a Danish orienteering competitor who was Junior World Champion in 2009, and became triple Junior World Champion from 2010, when she won the sprint, long distance and the relay. She represents the club OK Pan Århus, and since 2007, has received training from Danish national coach Lars Lindstrøm. In 2015 she won gold medals at the World Championships in the long and Relay.
The 2011 World Orienteering Championships, the 28th World Orienteering Championships, were held in Savoie, France, 13 –20 August 2011.
Lithuania 
