| 2006 Tour Down Under | |
| Date: | 17—22 January 2006 |
| Stages: | 6 |
| Time: | 16h 36' 54" |
| First: | Simon Gerrans |
| First Nat: | AUS |
| First Color: | orange |
| Second: | Luis León Sánchez |
| Second Team: | Liberty Seguros–Würth |
| Second Nat: | ESP |
| Third: | Robbie McEwen |
| Third Nat: | AUS |
| Points: | Allan Davis |
| Points Team: | Liberty Seguros–Würth |
| Points Nat: | AUS |
| Points Color: | green |
| Mountains: | Cadel Evans |
| Mountains Nat: | AUS |
| Mountains Color: | blue |
| Youth: | William Walker |
| Youth Nat: | AUS |
| Youth Color: | white |
| Team: | Team UniSA–Australia |
| Previous: | 2005 |
| Next: | 2007 |
The 2006 Tour Down Under was held from 18 to 22 January 2006 in and around Adelaide, South Australia. It was a multiple stage road cycling race that took part over five stages with a total of 685 kilometres and is part of the 2005–06 UCI Oceania Tour. The 2006 Down Under Classic was the official warm-up race for the event. The event was awarded the Australian Sport Tourism Award of the year at the Australian Sport Awards in February 2006, having attracted 495,000 spectators and more than 11,670 visitors to South Australia.[1]
| Stage | Date | Start | Finish | Distance | Stage Top 3 | Leading Top 3 | Time | |
| 1 | 18 January | 148 km | 3:38.24 + 0.07 + 0.18 | |||||
| 2 | 19 January | 146 km | 7:12.55 + 0.07 + 0.18 | |||||
| 3 | 20 January | 154 km | 11:11.32 + 0.07 + 0.18 | |||||
| 4 | 21 January | 147 km | 14:47.07 + 0.07 + 0.18 | |||||
| 5 | 22 January | 90 km | 16:36.54 + 0.07 + 0.14 |
| Stage | Mountains | Pts | Sprint | Pts | Under 23 | Pts | Teams | Time | |
| 1 | 16 12 8 | 14 6 6 | 3:39.10 + 2.33 + 4.03 | 11:05.08 + 10.37 + 11.54 | |||||
| 2 | 32 20 20 | 14 12 12 | 7:13.41 + 2.33 + 4.03 | 21:41.31 + 5.22 + 12.37 | |||||
| 3 | 36 32 20 | 18 14 12 | 11:12.18 + 2.33 + 4.03 | 33:29.50 + 3.42 + 18.01 | |||||
| 4 | 36 32 20 | 18 18 14 | 14:47.53 + 2.33 + 4.03 | 44:11.09 + 7.40 + 23.18 | |||||
| 5 | 40 38 32 | 20 18 18 | 16:37.40 + 2.33 + 4.07 | 49:40.44 + 7.26 + 23.27 |
| Pos | Rider | Time | |
| 1 |  Simon Gerrans | 16:36.54 | |
| 2 |  Luis León Sánchez | + 0.07 | |
| 3 | Robbie McEwen | + 0.14 | |
| 4 | William Walker | + 0.46 | |
| 5 | Gene Bates | + 1.48 | |
| 6 |  Samuel Dumoulin | + 2.42 | |
| 7 | Russell Van Hout | + 3.00 | |
| 8 | Simon Clarke | + 3.19 | |
| 9 | Chris Jongewaard | + 3.19 | |
| 10 |  Glenn d'Hollander | + 3.31 |
| Stage | Date | Start | Finish | Distance | Stage Top 3 | Leading Top 3 | Points | |
| 1 | 16 January | East end Adelaide street race | 30 mins + 1 lap | 40 38 36 | ||||
| 2 | 17 January | Tanunda Street Circuit | 30 mins + 1 lap | 76 74 70 | ||||
| 3 | 20 January | Snapper Point (Aldinga Beach) Criterium | 30 mins + 1 lap | 114 114 106 | ||||