The World Junior Alpine Skiing Championships 2009 were the 28th World Junior Alpine Skiing Championships, held between 29 February and 8 March 2009 in Garmisch-Partenkirchen, Germany.
| Downhill | Andy Plank | 1:39.06 | Dominik Paris | 1:39.18 | Andreas Romar | 1:39.32 | |
| Super-G | Manuel Kramer | 1:16.64 | Marcel Hirscher | 1:17.05 | Mattia Casse | 1:17.18 | |
| Giant Slalom | Alexis Pinturault | 2:18.49 | Björn Sieber | 2:18.95 | Marcel Hirscher | 2:19.17 | |
| Slalom | Jesper Riis-Johannessen | 1:20.78 | Tommy Ford | 1:21.29 | Nolan Kasper | 1:21.32 | |
| Combined | Sepp Gerber | 58.23 points | Dominik Paris | 58.64 | Giovanni Borsotti | 63.90 |
| Downhill | Marine Gauthier | 1:19.60 | Lotte Smiseth Sejersted | 1:20.08 | Nicole Schmidhofer | 1:20.14 | |
| Super-G | Viktoria Rebensburg | 1:19.80 | Mariella Voglreiter | 1:20.88 | Anna Fenninger | 1:20.91 | |
| Giant Slalom | Viktoria Rebensburg | 2:45.81 | Tina Weirather | 2:47.29 | Karin Hackl | 2:47.31 | |
| Slalom | Denise Feierabend | 1:42.07 | Bernadette Schild | 1:42.83 | Nina Løseth | 1:43.01 | |
| Combined | Federica Brignone | 54.00 points | Karin Hackl | 66.69 | Elena Curtoni | 95.09 |