| Date | 3 March 1993 |
|---|---|
| Time | 18:30 |
| Location | TCN, Sydney, Australia |
| Cause | Hewson was unable to explain one of his Fightback! key tax policies on live television |
| First reporter | Mike Willesee |
| Participants | John Hewson |
| Outcome | Thought to have contributed to Hewson's failure to win the 1993 federal election |
The birthday cake interview was a live interview on Australian television in March 1993 in which Liberal Party Opposition Leader John Hewson was unable to clearly explain to reporter Mike Willesee whether a birthday cake would cost more or less under his proposed tax reforms. It is remembered as contributing to Hewson's unexpected failure as leader of the Coalition to win the federal election that took place ten days later.