| Election Name: | 1861 Portuguese legislative election |
| Country: | Portugal |
| Flag Year: | 1830 |
| Type: | Parliamentary |
| Previous Election: | 1860 Portuguese legislative election |
| Previous Year: | 1860 |
| Next Election: | 1864 Portuguese legislative election |
| Next Year: | 1864 |
| Majority Seats: | 89 |
| Election Date: | 22 April 1861 |
| Colour2: | 0070C0 |
| Leader Since2: | 1856 |
| Last Election2: | 162 seats |
| Seats2: | 40 |
| Seats After2: | 122 |
| Percentage2: | 22% |
| Swing2: | 69% |
| Colour1: | 800000 |
| Leader Since1: | 1852 |
| Last Election1: | 15 seats |
| Seats1: | 137 |
| Seats After1: | 122 |
| Percentage1: | 78% |
| Swing1: | 70% |
| Posttitle: | Prime Minister after election |
| After Party: | Historic |
Parliamentary elections were held in Portugal on 22 April 1861.
| Party | Votes | % | Seats | |
|---|---|---|---|---|
| Historic Party | 78.0% | 137 | ||
| Regenerator Party | 22.0% | 40 | ||
| Total | 194,818 | 100.0% | 177 | |
| Registered voters/turnout | 302,169 | 64.5% | – | |
| align=left colspan=4 | Source: ISCSP, Nohlen & Stöver[1] | |||