| Election Name: | 1910 Portuguese legislative election |
| Country: | Portugal |
| Flag Year: | 1830 |
| Type: | Parliamentary |
| Previous Election: | 1908 Portuguese legislative election |
| Previous Year: | 1908 |
| Next Election: | 1911 Portuguese Constituent National Assembly election |
| Next Year: | 1911 |
| Seats For Election: | 155 seats to the Chamber of Deputies |
| Majority Seats: | 78 |
| Election Date: | 28 August 1910 |
| Colour1: | 00DDFF |
| Party1: | Regenerator |
| Leader1: | António Teixeira de Sousa |
| Leader Since1: | 1909 |
| Last Election1: | 43 seats |
| Seats1: | 90 |
| Seats After1: | 47 |
| Colour2: | 2A52BE |
| Party2: | Progressive |
| Leader2: | José Luciano de Castro |
| Leader Since2: | 1885 |
| Last Election2: | 87 seats |
| Seats2: | 51 |
| Seats After2: | 36 |
| Colour3: | 228B22 |
| Party3: | Republicans |
| Leader3: | Afonso Costa |
| Leader Since3: | 1897 |
| Last Election3: | 7 seats |
| Seats3: | 14 |
| Seats After3: | 7 |
| Prime Minister | |
| Posttitle: | Prime Minister after election |
| Before Election: | António Teixeira de Sousa |
| Before Party: | Regenerator |
| After Election: | Teófilo Braga (As head of the republican Provisional Government) |
| After Party: | PRP |
| Alliance1: | Liberal Bloc |
| Alliance2: | Conservative Bloc |
Parliamentary elections were held in Portugal on 28 August 1910.[1] However, before the results were confirmed, a coup d'état overthrew the monarchy on 5 October.[2] In 1911 a Constituent Assembly was elected the following year.[1]
| Party | Votes | % | Deputies | +/- | |||
|---|---|---|---|---|---|---|---|
| 332,000 | 55.33 | 30 | 6 | ||||
| Progressive Dissidence | 16,000 | 2.67 | 8 | 1 | |||
| Liberal Bloc (Total) | 348,000 | 58.00 | 90 | 47 | |||
| 23 | 35 | ||||||
| 20 | 6 | ||||||
| 5 | 2 | ||||||
| 8,000 | 13.33 | 3 | New | ||||
| Conservative Bloc (Total) | 198,000 | 33.00 | 51 | 36 | |||
| bgcolor=green | 54,000 | 9.00 | 14 | 7 | |||
| Invalid Votes | 0 | ||||||
| Total | 600,000 | 100 | 155 | 7 | |||
| Electorate/Participation | 695,471 | 86.27 | |||||
| Ref | [3] | ||||||