Celtics Nightly · franchise history · since 1946
Boston Celtics: every season since 1946
18championships
All time
3752-2528
.597 in 6281 games over 81 seasons
Playoffs
63
appearances · 11 conference titles · 36 division titles
Streaks
19
longest win streak (ended 2008-12-23) · longest losing streak 18
Champions 18 times: 1956-57, 1958-59, 1959-60, 1960-61, 1961-62, 1962-63, 1963-64, 1964-65, 1965-66, 1967-68, 1968-69, 1973-74, 1975-76, 1980-81, 1983-84, 1985-86, 2007-08, 2023-24. Lost the Finals in 1957-58, 1984-85, 1986-87, 2009-10, 2021-22. Every number on this page comes from the league's official records: regular-season results for every season, playoff series, and every game played since 1949-50. The current season lives on the season page.
Best seasons
by win percentage, 40+ games1972-73Boston Celtics68-14
1985-86Boston Celtics · champions67-15
2007-08Boston Celtics · champions66-16
1959-60Boston Celtics · champions59-16
2023-24Boston Celtics · champions64-18
Worst seasons
by win percentage, 40+ games1996-97Boston Celtics15-67
2006-07Boston Celtics24-58
2013-14Boston Celtics25-57
1949-50Boston Celtics22-46
1978-79Boston Celtics29-53
Season by season
81 seasons| Season | Team | W | L | Pct | Conf | Div | Playoffs | PPG |
|---|---|---|---|---|---|---|---|---|
| 2026-27 | Boston Celtics | 1 | 1 | .500 | 6 | 3 | — | 110.0 |
| 2025-26 | Boston Celtics | 56 | 26 | .683 | 2 | 1 | 3-4 | 114.9 |
| 2024-25 | Boston Celtics | 61 | 21 | .744 | 2 | 1 | 6-5 | 116.3 |
| 2023-24 | Boston Celtics | 64 | 18 | .780 | 1 | 1 | Champions | 120.6 |
| 2022-23 | Boston Celtics | 57 | 25 | .695 | 2 | 1 | 11-9 | 117.9 |
| 2021-22 | Boston Celtics | 51 | 31 | .622 | 2 | 1 | Finals | 111.8 |
| 2020-21 | Boston Celtics | 36 | 36 | .500 | 7 | 4 | 1-4 | 112.6 |
| 2019-20 | Boston Celtics | 48 | 24 | .667 | 3 | 2 | 10-7 | 113.7 |
| 2018-19 | Boston Celtics | 49 | 33 | .598 | 4 | 3 | 5-4 | 112.4 |
| 2017-18 | Boston Celtics | 55 | 27 | .671 | 2 | 2 | 11-8 | 104.0 |
| 2016-17 | Boston Celtics | 53 | 29 | .646 | 1 | 1 | 9-9 | 108.0 |
| 2015-16 | Boston Celtics | 48 | 34 | .585 | 5 | 2 | 2-4 | 105.7 |
| 2014-15 | Boston Celtics | 40 | 42 | .488 | 7 | 2 | 0-4 | 101.4 |
| 2013-14 | Boston Celtics | 25 | 57 | .305 | 12 | 4 | — | 96.2 |
| 2012-13 | Boston Celtics | 41 | 40 | .506 | 7 | 3 | 2-4 | 96.5 |
| 2011-12 | Boston Celtics | 39 | 27 | .591 | 4 | 1 | 11-9 | 91.8 |
| 2010-11 | Boston Celtics | 56 | 26 | .683 | 3 | 1 | 5-4 | 96.5 |
| 2009-10 | Boston Celtics | 50 | 32 | .610 | 4 | 1 | Finals | 99.2 |
| 2008-09 | Boston Celtics | 62 | 20 | .756 | 2 | 1 | 7-7 | 100.9 |
| 2007-08 | Boston Celtics | 66 | 16 | .805 | 1 | 1 | Champions | 100.5 |
| 2006-07 | Boston Celtics | 24 | 58 | .293 | 15 | 5 | — | 95.8 |
| 2005-06 | Boston Celtics | 33 | 49 | .402 | 11 | 3 | — | 98.0 |
| 2004-05 | Boston Celtics | 45 | 37 | .549 | 4 | 1 | 3-4 | 101.3 |
| 2003-04 | Boston Celtics | 36 | 46 | .439 | 8 | 4 | 0-4 | 95.3 |
| 2002-03 | Boston Celtics | 44 | 38 | .537 | 6 | 3 | 4-6 | 92.7 |
| 2001-02 | Boston Celtics | 49 | 33 | .598 | 3 | 2 | 9-7 | 96.4 |
| 2000-01 | Boston Celtics | 36 | 46 | .439 | 9 | 5 | — | 94.6 |
| 1999-00 | Boston Celtics | 35 | 47 | .427 | 10 | 5 | — | 99.3 |
| 1998-99 | Boston Celtics | 19 | 31 | .380 | 12 | 5 | — | 93.0 |
| 1997-98 | Boston Celtics | 36 | 46 | .439 | 12 | 6 | — | 95.9 |
| 1996-97 | Boston Celtics | 15 | 67 | .183 | 15 | 7 | — | 100.6 |
| 1995-96 | Boston Celtics | 33 | 49 | .402 | 11 | 5 | — | 103.6 |
| 1994-95 | Boston Celtics | 35 | 47 | .427 | 8 | 3 | 1-3 | 102.8 |
| 1993-94 | Boston Celtics | 32 | 50 | .390 | 10 | 5 | — | 100.8 |
| 1992-93 | Boston Celtics | 48 | 34 | .585 | 4 | 2 | 1-3 | 103.7 |
| 1991-92 | Boston Celtics | 51 | 31 | .622 | 2 | 1 | 6-4 | 106.6 |
| 1990-91 | Boston Celtics | 56 | 26 | .683 | 2 | 1 | 5-6 | 111.5 |
| 1989-90 | Boston Celtics | 52 | 30 | .634 | 4 | 2 | 2-3 | 110.0 |
| 1988-89 | Boston Celtics | 42 | 40 | .512 | 8 | 3 | 0-3 | 109.2 |
| 1987-88 | Boston Celtics | 57 | 25 | .695 | 1 | 1 | 9-8 | 113.6 |
| 1986-87 | Boston Celtics | 59 | 23 | .720 | 1 | 1 | Finals | 112.6 |
| 1985-86 | Boston Celtics | 67 | 15 | .817 | 1 | 1 | Champions | 114.1 |
| 1984-85 | Boston Celtics | 63 | 19 | .768 | 1 | 1 | Finals | 114.8 |
| 1983-84 | Boston Celtics | 62 | 20 | .756 | 1 | 1 | Champions | 112.1 |
| 1982-83 | Boston Celtics | 56 | 26 | .683 | 3 | 2 | 2-5 | 112.1 |
| 1981-82 | Boston Celtics | 63 | 19 | .768 | 1 | 1 | 7-5 | 112.0 |
| 1980-81 | Boston Celtics | 62 | 20 | .756 | 1 | 1 | Champions | 109.9 |
| 1979-80 | Boston Celtics | 61 | 21 | .744 | 1 | 1 | 5-4 | 113.5 |
| 1978-79 | Boston Celtics | 29 | 53 | .354 | 10 | 5 | — | 108.2 |
| 1977-78 | Boston Celtics | 32 | 50 | .390 | 8 | 3 | — | 105.7 |
| 1976-77 | Boston Celtics | 44 | 38 | .537 | 4 | 2 | 5-4 | 104.5 |
| 1975-76 | Boston Celtics | 54 | 28 | .659 | 1 | 1 | Champions | 106.2 |
| 1974-75 | Boston Celtics | 60 | 22 | .732 | 1 | 1 | 6-5 | 106.5 |
| 1973-74 | Boston Celtics | 56 | 26 | .683 | 1 | 1 | Champions | 109.0 |
| 1972-73 | Boston Celtics | 68 | 14 | .829 | 1 | 1 | 7-6 | 112.7 |
| 1971-72 | Boston Celtics | 56 | 26 | .683 | 1 | 1 | 5-6 | 115.6 |
| 1970-71 | Boston Celtics | 44 | 38 | .537 | 5 | 3 | — | 117.2 |
| 1969-70 | Boston Celtics | 34 | 48 | .415 | — | 6 | — | 114.9 |
| 1968-69 | Boston Celtics | 48 | 34 | .585 | — | 4 | Champions | 111.0 |
| 1967-68 | Boston Celtics | 54 | 28 | .659 | — | 2 | Champions | 116.1 |
| 1966-67 | Boston Celtics | 60 | 21 | .741 | — | 2 | 4-5 | 119.3 |
| 1965-66 | Boston Celtics | 54 | 26 | .675 | — | 2 | Champions | 112.7 |
| 1964-65 | Boston Celtics | 62 | 18 | .775 | — | 1 | Champions | 112.8 |
| 1963-64 | Boston Celtics | 59 | 21 | .738 | — | 1 | Champions | 113.0 |
| 1962-63 | Boston Celtics | 58 | 22 | .725 | — | 1 | Champions | 118.8 |
| 1961-62 | Boston Celtics | 60 | 20 | .750 | — | 1 | Champions | 121.1 |
| 1960-61 | Boston Celtics | 57 | 22 | .722 | — | 1 | Champions | 119.7 |
| 1959-60 | Boston Celtics | 59 | 16 | .787 | — | 1 | Champions | 124.5 |
| 1958-59 | Boston Celtics | 52 | 20 | .722 | — | 1 | Champions | 116.4 |
| 1957-58 | Boston Celtics | 49 | 23 | .681 | — | 1 | Finals | 109.9 |
| 1956-57 | Boston Celtics | 44 | 28 | .611 | — | 1 | Champions | 105.5 |
| 1955-56 | Boston Celtics | 39 | 33 | .542 | — | 2 | 1-2 | 106.0 |
| 1954-55 | Boston Celtics | 36 | 36 | .500 | — | 3 | 3-4 | 101.5 |
| 1953-54 | Boston Celtics | 42 | 30 | .583 | — | 2 | 2-4 | 87.7 |
| 1952-53 | Boston Celtics | 46 | 25 | .648 | — | 3 | 3-3 | 88.1 |
| 1951-52 | Boston Celtics | 39 | 27 | .591 | — | 2 | 1-2 | 91.3 |
| 1950-51 | Boston Celtics | 39 | 30 | .565 | — | 2 | 0-2 | 85.2 |
| 1949-50 | Boston Celtics | 22 | 46 | .324 | — | 6 | — | 79.7 |
| 1948-49 | Boston Celtics | 25 | 35 | .417 | — | 5 | — | 76.5 |
| 1947-48 | Boston Celtics | 20 | 28 | .417 | — | 3 | 1-2 | 68.8 |
| 1946-47 | Boston Celtics | 22 | 38 | .367 | — | 5 | — | 60.1 |
All-time series
regular season, every game since 1949-50 · by franchise, earlier cities and names included| Opponent | Games | W | L | Pct | Last meeting |
|---|---|---|---|---|---|
| Knicks | 483 | 302 | 181 | .625 | 2026-10-23 |
| 76ers | 475 | 275 | 200 | .579 | 2026-03-01 |
| Hawks | 400 | 247 | 153 | .618 | 2026-03-30 |
| Pistons | 397 | 253 | 144 | .637 | 2026-10-20 |
| Warriors | 334 | 205 | 129 | .614 | 2026-03-18 |
| Wizards | 329 | 209 | 120 | .635 | 2026-03-14 |
| Kings | 310 | 194 | 116 | .626 | 2026-01-30 |
| Lakers | 299 | 167 | 132 | .559 | 2026-02-22 |
| Bulls | 250 | 139 | 111 | .556 | 2026-02-11 |
| Bucks | 237 | 124 | 113 | .523 | 2026-04-03 |
| Cavaliers | 233 | 144 | 89 | .618 | 2026-03-08 |
| Nets | 223 | 148 | 75 | .664 | 2026-02-27 |
| Pacers | 202 | 113 | 88 | .562 | 2026-01-21 |
| Rockets | 157 | 99 | 58 | .631 | 2026-02-04 |
| Thunder | 149 | 80 | 69 | .537 | 2026-03-25 |
| Heat | 144 | 90 | 54 | .625 | 2026-04-01 |
| Clippers | 144 | 97 | 47 | .674 | 2026-01-03 |
| Suns | 141 | 81 | 60 | .574 | 2026-03-16 |
| Magic | 137 | 79 | 58 | .577 | 2026-04-12 |
| Hornets | 130 | 83 | 47 | .638 | 2026-04-07 |
| Trail Blazers | 128 | 78 | 50 | .609 | 2026-01-26 |
| Raptors | 120 | 77 | 43 | .642 | 2026-04-05 |
| Jazz | 112 | 65 | 47 | .580 | 2025-12-30 |
| Spurs | 107 | 47 | 60 | .439 | 2026-03-10 |
| Nuggets | 104 | 62 | 42 | .596 | 2026-02-25 |
| Mavericks | 90 | 49 | 41 | .544 | 2026-03-06 |
| Timberwolves | 71 | 47 | 24 | .662 | 2026-03-22 |
| Grizzlies | 60 | 40 | 20 | .667 | 2026-03-20 |
| Pelicans | 51 | 30 | 21 | .588 | 2026-04-10 |
Franchises that no longer exist: BAL 35-9 · INO 12-7 · WAS 7-6 · BOM 2-4 · CHS 0-6 · WAT 1-1 · DN 1-1 · SHE 1-1 · AND 2-0.