The 1950–51 Boston Celtics season was the fifth season of the Boston Celtics in the National Basketball Association (NBA). It was Red Auerbach's first season as head coach. This was the first winning season in franchise history, finishing 9 games above .500, beginning a streak of 19 consecutive winning seasons. They also qualified for the playoffs for the second time in franchise history, starting a streak of 19 consecutive postseason appearances.
Draft picks
Roster
Pre-season
Regular season
Season standings
Record vs. opponents
Game log
Playoffs
|- align="center" bgcolor="#ffcccc" | 1 | March 20 | New York | L 69–83 | Ed Macauley (23) | — | Boston Garden | 0–1 |- align="center" bgcolor="#ffcccc" | 2 | March 22 | @ New York | L 78–92 | Ed Macauley (21) | Bob Cousy (6) | Madison Square Garden III | 0–2 |-