Boston Celtics Worst Losses Ever

This list shows the NBA games with the largest margins of defeat in Celtics history, in the Regular Season and the Playoffs.

RS = Season / PL = Playoffs

Celtics All-Time Worst Losses - Top 50
Regular Season and Playoffs

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Point
Margin
Game
Details
52
L
118
-
66  
2002-03 (RS) / Jan 31, 2003 / at Boston
47
L
124
-
77  
1994-95 (PL) / Apr 28, 1995 / at Orlando
Eastern Conference First Round
45
L
114
-
69  
2002-03 (RS) / Oct 31, 2002 / at Washington
44
L
130
-
86  
2016-17 (PL) / May 19, 2017 / at Boston
Eastern Conference Finals
L
128
-
84  
1976-77 (RS) / Jan 4, 1977 / at Portland
43
L
160
-
117  
1978-79 (RS) / Mar 9, 1979 / at Detroit
42
L
142
-
100  
1993-94 (RS) / Apr 17, 1994 / at Washington
L
138
-
96  
1966-67 (RS) / Oct 29, 1966 / at Philadelphia
41
L
149
-
108  
1959-60 (RS) / Mar 3, 1960 / at Syracuse
40
L
132
-
92  
1965-66 (RS) / Feb 27, 1966 / at Baltimore
Point
Margin
Game
Details
39
L
124
-
85  
1995-96 (RS) / Dec 29, 1995 / at Seattle
38
L
144
-
106  
1970-71 (RS) / Dec 31, 1970 / at Boston
37
L
126
-
89  
1970-71 (RS) / Oct 28, 1970 / at Boston
L
141
-
104  
1967-68 (RS) / Feb 11, 1968 / at Boston
36
L
117
-
81  
2002-03 (RS) / Dec 25, 2002 / at New Jersey
L
124
-
88  
1992-93 (RS) / Nov 7, 1992 / at Milwaukee
35
L
122
-
87  
1999-00 (RS) / Mar 28, 2000 / at Orlando
L
114
-
79  
1993-94 (RS) / Feb 1, 1994 / at New York
L
119
-
84  
1992-93 (RS) / Feb 18, 1993 / at Houston
L
108
-
73  
1968-69 (RS) / Mar 16, 1969 / at Boston
L
138
-
103  
1959-60 (RS) / Nov 18, 1959 / at Syracuse
L
95
-
60  
1947-48 (RS) / Jan 3, 1948 / at Washington
Point
Margin
Game
Details
34
L
119
-
85  
1991-92 (RS) / Mar 11, 1992 / at Chicago
L
108
-
74  
1953-54 (RS) / Dec 13, 1953 / at Syracuse
33
L
135
-
102  
2023-24 (RS) / Jan 11, 2024 / at Milwaukee
L
150
-
117  
2022-23 (RS) / Jan 3, 2023 / at Oklahoma City
L
135
-
102  
2016-17 (PL) / May 25, 2017 / at Boston
Eastern Conference Finals
L
137
-
104  
1983-84 (PL) / Jun 3, 1984 / at Los Angeles
Finals
L
132
-
99  
1977-78 (RS) / Dec 22, 1977 / at Seattle
L
129
-
96  
1972-73 (PL) / Apr 18, 1973 / at New York
Eastern Conference Finals
L
133
-
100  
1969-70 (RS) / Jan 27, 1970 / at New York
32
L
115
-
83  
2021-22 (RS) / Oct 22, 2021 / at Boston
L
103
-
71  
2011-12 (RS) / Mar 7, 2012 / at Philadelphia
L
118
-
86  
2005-06 (RS) / Dec 17, 2005 / at Chicago
L
102
-
70  
1997-98 (RS) / Nov 4, 1997 / at New York
L
107
-
75  
1995-96 (RS) / Mar 2, 1996 / at Chicago
L
124
-
92  
1989-90 (RS) / Dec 9, 1989 / at New York
L
126
-
94  
1980-81 (RS) / Mar 22, 1981 / at Philadelphia
L
117
-
85  
1977-78 (RS) / Feb 28, 1978 / at Atlanta
L
133
-
101  
1975-76 (RS) / Dec 30, 1975 / at Golden State
L
123
-
91  
1972-73 (RS) / Feb 27, 1973 / at New York
L
95
-
63  
1948-49 (RS) / Nov 13, 1948 / at Rochester
Point
Margin
Game
Details
31
L
110
-
79  
2014-15 (RS) / Mar 3, 2015 / at Cleveland
L
129
-
98  
2013-14 (RS) / Jan 7, 2014 / at Denver
L
107
-
76  
2008-09 (RS) / Apr 12, 2009 / at Cleveland
L
111
-
80  
2006-07 (RS) / Mar 7, 2007 / at Boston
L
125
-
94  
1996-97 (RS) / Apr 20, 1997 / at Boston
L
131
-
100  
1996-97 (RS) / Feb 12, 1997 / at Phoenix
L
111
-
80  
1993-94 (RS) / Dec 11, 1993 / at Miami
L
102
-
71  
1993-94 (RS) / Nov 22, 1993 / at Boston
L
116
-
85  
1987-88 (RS) / Nov 20, 1987 / at Philadelphia
L
118
-
87  
1977-78 (RS) / Dec 9, 1977 / at Boston
L
119
-
88  
1950-51 (RS) / Dec 16, 1950 / at Baltimore
L
110
-
79  
1950-51 (RS) / Dec 13, 1950 / at Washington
L
95
-
64  
1948-49 (RS) / Jan 22, 1949 / at Washington