| Election Name: | 1871 Spanish general election |
| Country: | Spain |
| Flag Year: | 1785 |
| Type: | parliamentary |
| Ongoing: | no |
| Previous Election: | 1869 Spanish general election |
| Previous Year: | 1869 |
| Next Election: | April 1872 Spanish general election |
| Next Year: | April 1872 |
| Seats For Election: | All 391 seats of the Congress of Deputies |
| Majority Seats: | 196 |
| Election Date: | 8 March 1871 |
| Leader1: | Francisco Serrano y Domínguez |
| Party1: | Progressive-Liberal coalition |
| Leaders Seat1: | Madrid |
| Seats1: | 235 |
| Seat Change1: | 1 |
| Percentage1: | 60.10% |
| Swing1: | 6.95 |
| Leader2: | Francesc Pi i Margall |
| Party2: | FDRP |
| Leaders Seat2: | Barcelona |
| Seats2: | 52 |
| Seat Change2: | 33 |
| Percentage2: | 13.03% |
| Swing2: | 10.85 |
| Leader3: | Agustín Crespí de Valldaura |
| Party3: | CMC |
| Leaders Seat3: | Villadiego |
| Seats3: | 51 |
| Seat Change3: | 31 |
| Percentage3: | 13.04% |
| Swing3: | 7.40 |
| Leader4: | Alejandro Mon y Menéndez |
| Party4: | Moderate Party (Spain) |
| Leaders Seat4: | Madrid |
| Seats4: | 18 |
| Seat Change4: | new party |
| Percentage4: | 4.60% |
| Swing4: | new party |
| Leader5: | Antonio Cánovas del Castillo |
| Party5: | Conservative Party (Spain) |
| Leaders Seat5: | Madrid |
| Seats5: | 9 |
| Seat Change5: | new party |
| Leader6: | Antoine, Duke of Montpensier |
| Party6: | Partidaries of Montpensier |
| Leaders Seat6: | Madrid |
| Seats6: | 9 |
| Seat Change6: | new party |
| Map Size: | 300px |
| Prime Minister | |
| Posttitle: | Prime Minister after election |
| Before Election: | Francisco Serrano y Domínguez |
| Before Party: | Liberal Union |
| After Election: | Francisco Serrano y Domínguez |
| After Party: | Liberal Union |
General elections to the Cortes Generales were held in Spain on the 8 March 1871. At stake were all 391 seats in the Congress of Deputies. The Progressive-Liberal coalition won the elections.
General elections of Spain of 1871 were held on March 8 under universal male suffrage. The elections were the first held during the brief reign of Amadeo I, once the Spanish Constitution of 1869 was approved. Francisco Serrano y Domínguez, a member of the Liberal Union (part of the Progressive-Liberal coalition), was the prime minister before the elections.
| Party | Seats | Difference | Leader | ||
|---|---|---|---|---|---|
| align=center bgcolor=lightgreen | Progressive-Liberal coalition | 235 | 1 | General Francisco Serrano y Domínguez | |
| align=center bgcolor=purple | 52 | 31 | Francesc Pi i Margall | ||
| align=center bgcolor=darkred | 51 | 31 | Agustín Crespí de Valldaura y Caro, Count of Orgaz | ||
| align=center bgcolor=#FF8800 | 18 | 18 | Alejandro Mon y Menéndez | ||
| align=center bgcolor=darkgreen | 9 | 9 | Antonio Cánovas del Castillo | ||
| align=center bgcolor=darkblue | 9 | 9 | Antoine, Duke of Montpensier | ||
| align=center bgcolor=grey | Other | 17 | 9 | ||
| Total | 391 | ||||