| Election Name: | 1865 Portuguese legislative election |
| Country: | Portugal |
| Flag Year: | 1830 |
| Type: | Parliamentary |
| Previous Election: | 1864 Portuguese legislative election |
| Previous Year: | 1864 |
| Next Election: | 1868 Portuguese legislative election |
| Next Year: | 1868 |
| Majority Seats: | 89 |
| Election Date: | 8 July 1865 |
| Colour2: | 0010C0 |
| Party2: | Anti-Progressives |
| Leader Since2: | 1865 |
| Last Election2: | New |
| Seats2: | 47 |
| Seats After2: | New |
| Colour1: | 7030A0 |
| Party1: | Progressives |
| Leader Since1: | 1865 |
| Last Election1: | New |
| Seats1: | 130 |
| Seats After1: | New |
| Posttitle: | Prime Minister after election |
| Before Party: | Reformist |
| After Party: | Regenerator |
Parliamentary elections were held in Portugal on 8 July 1865.
| Party | Votes | % | Seats |
|---|---|---|---|
| Progressive Electoral Commission | 130 | ||
| Anti-Progressive Electoral Commission | 47 | ||
| Total | 239,060 | 177 | |
| Registered voters/turnout | 331,921 | 72.0 | – |
| align=left colspan=4 | Source: ISCSP, Nohlen & Stöver[1] | ||