1966 NBA playoffs

The 1966 NBA playoffs was the postseason tournament of the National Basketball Association's 1965–66 [NBA season|1965–66 season]. The tournament concluded with the Eastern Division champion Boston Celtics defeating the Western Division champion Los Angeles Lakers 4 games to 3 in the NBA Finals.
The Celtics won their eighth consecutive NBA title and ninth overall, defeating the Lakers in the Finals for a fifth straight time.
This was the last NBA playoffs under the "top team in each division gets a first-round bye" format established in 1955, although teams receiving a bye would be reused in 1975, and strictly for division winners from 1977–1983. the 1967 NBA playoffs featured an eight-team tournament with no first-round byes.

Division Semifinals

This was the third playoff meeting between these two teams, with the Celtics winning both prior meetings.

Boston leads 2–0 in all-time playoff series

This was the second playoff meeting between these two teams, with the Bullets winning the first meeting.

Baltimore leads 1–0 in all-time playoff series

This was the 10th playoff meeting between these two teams, with the Celtics winning five of the first nine meetings.

Boston leads 5–4 in all-time playoff series

This was the eighth playoff meeting between these two teams, with the Hawks winning five of the first seven meetings.

St. Louis leads 5–2 in all-time playoff series

This was the fifth playoff meeting between these two teams, with the Celtics winning the first four meetings.

Boston leads 4–0 in all-time playoff series