| Country: | Kingdom of Serbia |
| Type: | parliamentary |
| First Election: | yes |
| Previous Election: | May 1903 |
| Next Election: | 1905 |
| Majority Seats: | 81 |
| Election Date: | 21 September 1903 |
| Party1: | People's Radical Party |
| Seats1: | 75 |
| Percentage1: | 35.99 |
| Party2: | Independent Radical Party |
| Seats2: | 66 |
| Percentage2: | 33.28 |
| Party3: | National Party (Kingdom of Serbia) |
| Seats3: | 17 |
| Percentage3: | 17.75 |
| Party4: | Serbian Progressive Party (Kingdom of Serbia) |
| Seats4: | 1 |
| Percentage4: | 5.99 |
| Party5: | Serbian Social Democratic Party (Kingdom of Serbia) |
| Seats5: | 1 |
| Percentage5: | 0.99 |
| Prime Minister | |
| Before Election: | Jovan Avakumović |
| Before Party: | Liberal Party |
| After Election: | Sava Grujić |
| After Party: | People's Radical Party |
Parliamentary elections were held in Serbia on .[1] Following the elections, Sava Grujić of the People's Radical Party formed a government in coalition with several independents.[2]