|Eastern Finals:||Celtics defeated Royals, 4–3|
|Western Finals:||Lakers defeated Hawks, 4–3|
The 1963 NBA World Championship Series was the championship round of the 1963 NBA Playoffs, which concluded the National Basketball Association 1962–63 season.
The best-of-seven series was played between the Western Division champion Los Angeles Lakers and the Eastern Division champion Boston Celtics. This was the Celtics' seventh straight trip to the championship series, and they won the series over the Lakers, 4–2.
1963 NBA Playoffs
|Los Angeles Lakers (Western Division Champion)||Boston Celtics (Eastern Division Champion)|
1st Western, 3rd Overall
|Regular season||58–22 (.725)
1st Eastern, 1st Overall
|Earned first-round bye||Division Semifinals||Earned first-round bye|
|Defeated the (2) St. Louis Hawks, 4–3||Division Finals||Defeated the (3) Cincinnati Royals, 4–3|