The World Junior Alpine Skiing Championships 2013 were the 32nd World Junior Alpine Skiing Championships, held between 21 and 26 February 2013 in Québec, Canada.
Speed events were held at Le Massif and technical events at Mont-Sainte-Anne.
| Downhill | Nils Mani | 1:30.95 | Thomas Mayrpeter | 1:31.14 | Valentin Giraud Moine | 1:31.34 | |
| Super-G | Thomas Mayrpeter | 58.49 | Nils Mani | 58.57 | Adrian Smiseth Sejersted | 58.90 | |
| Giant Slalom | Aleksander Aamodt Kilde | 2:20.75 | Alex Zingerle | 2:21.23 | Žan Kranjec | 2:21.50 | |
| Slalom | Manuel Feller | 1:59.40 | Ramon Zenhäusern | 2:00.16 | Santeri Paloniemi | 2:00.57 | |
| Combined | Henrik Kristoffersen | Gino Caviezel | Endre Bjertness | ||||
| Downhill | Jennifer Piot | 1:11.18 | Stephanie Venier | 1:11.22 | Romane Miradoli | 1:11.42 | |
| Super-G | Stephanie Venier | 1:00.89 | Corinne Suter | 1:01.69 | Rosina Schneeberger | 1:01.80 | |
| Giant Slalom | Lisa-Maria Zeller | 2:22.23 | Ragnhild Mowinckel | 2:22.37 | Romane Miradoli | 2:22.85 | |
| Slalom | Magdalena Fjällström | 1:52.10 | Michelle Gisin | 1:52.54 | Adeline Baud | 1:52.64 | |
| Combined | Ragnhild Mowinckel | Maria Therese Tviberg | Adeline Baud | ||||
| Team event | Nathalie Eklund Charlotta Säfvenberg Max Gordon Sundquist Daniel Steding | Wendy Holdener Rahel Kopp Luca Aerni Bernhard Niederberger | Tianda Carroll Mikaela Tommy Trevor Philp Ford Swette | ||||