| Election Name: | 1871 Portuguese legislative election |
| Country: | Portugal |
| Flag Year: | 1830 |
| Type: | Parliamentary |
| Previous Election: | September 1870 Portuguese legislative election |
| Previous Year: | Sep 1870 |
| Next Election: | 1874 Portuguese legislative election |
| Next Year: | 1874 |
| Majority Seats: | 54 |
| Election Date: | 9 July 1871 |
| Colour3: | 0070C0 |
| Leader Since3: | 1856 |
| Last Election3: | 12 seats |
| Seats3: | 22 |
| Seats After3: | 10 |
| Colour1: | 800000 |
| Leader Since1: | 1852 |
| Last Election1: | 20 seats |
| Seats1: | 31 |
| Seats After1: | 11 |
| Colour4: | 953735 |
| Leader Since4: | 1869 |
| Last Election4: | 68 seats |
| Seats4: | 14 |
| Seats After4: | 54 |
| Colour2: | D46A4C |
| Party2: | Avilists |
| Leader Since2: | 1870 |
| Last Election2: | 16 seats |
| Seats2: | 27 |
| Seats After2: | 11 |
| Colour5: | 808080 |
| Leader Since5: | 1871 |
| Last Election5: | New |
| Seats5: | 8 |
| Seats After5: | New |
| Posttitle: | Prime Minister after election |
| Before Party: | Reformist (Avilista faction) |
| After Party: | Reformist (Avilista faction) |
Parliamentary elections were held in Portugal on 9 July 1871.
| Party | Votes | % | Seats |
|---|---|---|---|
| Historic Party | 31 | ||
| Reformist Party (Avilistas) | 27 | ||
| Regenerator Party | 22 | ||
| Reformist Party | 14 | ||
| Constituent Party | 8 | ||
| Total | 242,714 | 107 | |
| Registered voters/turnout | 430,289 | 56.4 | – |
| align=left colspan=4 | Source: ISCSP, Nohlen & Stöver[1] | ||