| NBA playoffs | |
| Year: | 1965 |
| Season: | 1964–65 |
| Dates: | March 24–April 15, 1965 |
| Num Teams: | 6 |
| Winners: | Boston Celtics |
| Count: | 8 |
| Second: | Los Angeles Lakers |
| Semifinal1: | Baltimore Bullets |
| Semifinal2: | Philadelphia 76ers |
| Prev Season: | 1964 |
| Next Season: | 1966 |
The 1965 NBA playoffs was the postseason tournament of the National Basketball Association's 1964–65 season. The tournament concluded with the Eastern Division champion Boston Celtics defeating the Western Division champion Los Angeles Lakers 4 games to 1 in the NBA Finals.
Boston won its seventh consecutive NBA title and eighth overall while handing the Lakers their fourth straight Finals loss in the process.
This was the first playoff appearance for the Baltimore Bullets, who had begun play in the 1961–62 season as the Chicago Packers.