| Country: | New South Wales |
| Type: | parliamentary |
| Ongoing: | no |
| Election Date: | 16 June 1928 |
| Vote Type: | Popular |
| Image1: | Frederick Pratten.jpg |
| Candidate1: | Graham Pratten |
| Party1: | Nationalist Party (Australia) |
| Popular Vote1: | 29,482 |
| Percentage1: | 60.91% |
| Swing1: | 3.85pp |
| Candidate2: | Percy Hannett |
| Party2: | Australian Labor Party |
| Popular Vote2: | 18,922 |
| Percentage2: | 39.09% |
| Swing2: | 3.85pp |
| MP | |
| Before Election: | Herbert Pratten |
| Before Party: | Nationalist Party (Australia) |
| After Election: | Graham Pratten |
| After Party: | Nationalist Party (Australia) |
| Election Name: | 1928 Martin by-election |
A by-election was held for the Australian House of Representatives seat of Martin on 16 June 1928. This was triggered by the death of Nationalist MP and Trade and Customs Minister Herbert Pratten.
The by-election was won by the Nationalist candidate, Pratten's nephew Graham.