| Election Name: | 1887 Portuguese legislative election |
| Country: | Portugal |
| Flag Year: | 1830 |
| Type: | Parliamentary |
| Previous Election: | 1884 Portuguese legislative election |
| Previous Year: | 1884 |
| Next Election: | 1889 Portuguese legislative election |
| Next Year: | 1889 |
| Majority Seats: | 77 |
| Election Date: | 6 March 1887 |
| Colour2: | 0070C0 |
| Leader Since2: | 1887 |
| Last Election2: | 110 seats |
| Seats2: | 36 |
| Seats After2: | 74 |
| Colour1: | FF0000 |
| Leader Since1: | 1885 |
| Last Election1: | 31 seats |
| Seats1: | 113 |
| Seats After1: | 82 |
| Colour3: | 228B22 |
| Leader3: | Political Directory |
| Leader Since3: | 1876 |
| Image3: | PRP |
| Last Election3: | 2 seats |
| Seats3: | 2 |
| Posttitle: | Prime Minister after election |
Parliamentary elections were held in Portugal on 6 March 1887.[1] The result was a landslide victory for the Progressive Party, which won 113 seats.[2]
| Party | Votes | % | Seats | +/– |
|---|---|---|---|---|
| Progressive Party | 113 | +82 | ||
| Regeneration Party | 36 | –74 | ||
| Portuguese Republican Party | 2 | 0 | ||
| Other parties and independents | 1 | +1 | ||
| Invalid/blank votes | – | – | – | |
| Total | 152 | +1 | ||
| Registered voters/turnout | – | – | ||
| align=left colspan=5 | Source: Nohlen & Stöver | |||
The results exclude the six seats won at national level and those from overseas territories.[2]