| 2015 Six Nations Under 20s Championship | |
| Date: | 6 February 2015 – 20 March 2015 |
| Countries: | |
| Count: | 5 |
| Previous Year: | 2014 |
| Previous Tournament: | 2014 Six Nations Under 20s Championship |
| Next Year: | 2016 |
| Next Tournament: | 2016 Six Nations Under 20s Championship |
The 2015 Six Nations Under 20s Championship was a rugby union competition held between February and March 2015. England won the championship. However, no team won either a Grand Slam or the Triple Crown.
| Position | Nation | Games | Points | Table points | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Played | Won | Drawn | Lost | For | Against | Difference | Tries | ||||
| 1 | 5 | 4 | 0 | 1 | 145 | 57 | +88 | 8 | |||
| 2 | 5 | 3 | 0 | 2 | 145 | 82 | +63 | 6 | |||
| 3 | 5 | 3 | 0 | 2 | 115 | 117 | –2 | 6 | |||
| 4 | 5 | 3 | 0 | 2 | 102 | 111 | –9 | 6 | |||
| 5 | 5 | 2 | 0 | 3 | 120 | 90 | 30 | 4 | |||
| 6 | 5 | 0 | 0 | 5 | 46 | 216 | –170 | 0 | |||