| Election Name: | 1879 Portuguese legislative election |
| Country: | Portugal |
| Flag Year: | 1830 |
| Type: | Parliamentary |
| Previous Election: | 1878 Portuguese legislative election |
| Previous Year: | 1878 |
| Next Election: | 1881 Portuguese legislative election |
| Next Year: | 1881 |
| Majority Seats: | 69 |
| Election Date: | 19 October 1879 |
| Colour2: | 0070C0 |
| Leader Since2: | 1856 |
| Last Election2: | 97 seats |
| Seats2: | 21 |
| Seats After2: | 76 |
| Colour1: | FF0000 |
| Leader Since1: | 1876 |
| Last Election1: | 22 seats |
| Seats1: | 106 |
| Seats After1: | 84 |
| Colour5: | 228B22 |
| Leader5: | Political Directory |
| Leader Since5: | 1876 |
| Image5: | PRP |
| Last Election5: | 1 seat |
| Seats5: | 1 |
| Colour4: | 808080 |
| Leader Since4: | 1871 |
| Last Election4: | 14 seats |
| Seats4: | 6 |
| Seats After4: | 8 |
| Posttitle: | Prime Minister after election |
Parliamentary elections were held in Portugal on 19 October 1879.[1] The result was a landslide victory for the Progressive Party, which won 106 seats.[2]
| Party | Votes | % | Seats | +/– |
|---|---|---|---|---|
| Progressive Party | 106 | +84 | ||
| Regeneration Party | 21 | –76 | ||
| Constituent Party | 6 | –8 | ||
| Portuguese Republican Party | 1 | 0 | ||
| Other parties and independents | 3 | 0 | ||
| Invalid/blank votes | – | – | – | |
| Total | 539,915 | 100 | 137 | 0 |
| Registered voters/turnout | 831,764 | 64.9 | – | – |
| align=left colspan=5 | Source: Nohlen & Stöver | |||
The results exclude the seats from overseas territories.[2]