Greatest halftime lead in an NBA playoff game
- Who
- Cleveland Cavaliers
- What
- 41 point(s)
- Where
- Not Applicable
- When
- 19 May 2017
The largest halftime lead in an NBA playoff game is 41 points established by the Cleveland Cavaliers en route to their 130–86 victory over the Boston Celtics (both USA) in Game 2 of the Eastern Conference finals, in Boston, Massachusetts, USA, on 19 May 2017. The 72–31 halftime lead surpassed the 40-point margin held by the Detroit Pistons over the Washington Bullets (both USA) on 26 April 1987.