| 1929 Five Nations Championship | |
| Date: | 31 December 1928 - 1 April 1929 |
| Countries: | |
| Count: | 9 |
| Matches: | 10 |
| Previous Year: | 1928 |
| Previous Tournament: | 1928 Five Nations Championship |
| Next Year: | 1930 |
| Next Tournament: | 1930 Five Nations Championship |
The 1929 Five Nations Championship was the fifteenth series of the rugby union Five Nations Championship following the inclusion of France into the Home Nations Championship. Including the previous Home Nations Championships, this was the forty-second series of the annual northern hemisphere rugby union championship. Ten matches were played between 31 December 1928 and 1 April 1929. It was contested by England, France, Ireland, Scotland and Wales.