| Election Name: | April 1906 Portuguese legislative election |
| Country: | Portugal |
| Flag Year: | 1830 |
| Type: | Parliamentary |
| Previous Election: | 1905 Portuguese legislative election |
| Previous Year: | 1905 |
| Next Election: | August 1906 Portuguese legislative election |
| Next Year: | Aug. 1906 |
| Seats For Election: | 148 seats to the Chamber of Deputies |
| Majority Seats: | 75 |
| Election Date: | 29 April 1906 |
| Colour1: | 0070C0 |
| Party1: | Regenerator |
| Leader1: | Ernesto Hintze Ribeiro |
| Leader Since1: | 1900 |
| Image1 Size: | 150x150px |
| Last Election1: | 32 seats |
| Seats1: | 104 |
| Seats After1: | 72 |
| Colour2: | FF0000 |
| Party2: | Progressive |
| Leader2: | José Luciano de Castro |
| Leader Since2: | 1885 |
| Image2 Size: | 150x150px |
| Last Election2: | 109 seats |
| Seats2: | 19 |
| Seats After2: | 90 |
| Colour4: | 8B0000 |
| Party4: | Progressive Dissidence |
| Leader4: | José Maria de Alpoim |
| Leader Since4: | 1905 |
| Image4 Size: | 150x150px |
| Last Election4: | New |
| Seats4: | 9 |
| Seats After4: | New |
| Colour5: | 00008b |
| Party5: | Liberal Regenerator |
| Leader5: | João Franco |
| Leader Since5: | 1901 |
| Last Election5: | 3 seats |
| Seats5: | 7 |
| Seats After5: | 4 |
| Prime Minister | |
| Posttitle: | Prime Minister after election |
| Before Election: | Ernesto Hintze Ribeiro |
| Before Party: | Regenerator |
| After Election: | Ernesto Hintze Ribeiro |
| After Party: | Regenerator |
Parliamentary elections were held in Portugal on 29 April 1906.[1] The result was a victory for the Regeneration Party, which won 104 seats.[2] The one elected Portuguese Republican Party MP refused to take his seat in protest at electoral fraud.[2]
| Party | Votes | % | Seats | +/– | |
|---|---|---|---|---|---|
| Regeneration Party | 104 | +72 | |||
| Progressive Party | 19 | –90 | |||
| Progressive Dissidence | 9 | New | |||
| Liberal Regenerator Party | 7 | +4 | |||
| Portuguese Republican Party | 1 | New | |||
| Other parties and independents | 8 | +4 | |||
| Invalid/blank votes | – | – | – | ||
| Total | 491,287 | 100 | 148 | 0 | |
| Registered voters/turnout | 677,693 | 72.5 | – | – | |
| align=left colspan=5 | Source: Nohlen & Stöver | ||||
The results exclude seats from overseas territories.[2]