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Last Undefeated NBA Teams By Year | |
Year | Team | First Loss | Record Before Loss | Final | Season Result | |
2025-26 | Oklahoma City Thunder | Nov 5, 2025 | 8-0 | – | Season Ongoing | |
2024-25 | Cleveland Cavaliers | Nov 19, 2024 | 15-0 | 64-18 | Lost Conf Semi | |
2023-24 | Boston Celtics | Nov 6, 2023 | 5-0 | 64-18 | Won Finals | |
2022-23 | Milwaukee Bucks | Nov 7, 2022 | 9-0 | 58-24 | Lost First Round | |
2021-22 | Utah Jazz | Oct 30, 2021 | 4-0 | 49-33 | Lost First Round | |
2020-21 | Orlando Magic | Dec 31, 2020 | 4-0 | 21-51 | Missed Playoffs | |
2019-20 | Philadelphia 76ers | Nov 4, 2019 | 5-0 | 43-30 | Lost First Round | |
2018-19 | Milwaukee Bucks | Nov 1, 2018 | 7-0 | 60-22 | Lost Conf Finals | |
2017-18 | Los Angeles Clippers | Oct 28, 2017 | 4-0 | 42-40 | Missed Playoffs | |
2016-17 | Cleveland Cavaliers | Nov 8, 2016 | 6-0 | 51-31 | Lost Finals | |
2015-16 | Golden State Warriors | Dec 12, 2015 | 24-0 | 73-9 | Lost Finals | |
2014-15 | Golden State Warriors | Nov 9, 2014 | 5-0 | 67-15 | Won Finals | |
2013-14 | Indiana Pacers | Nov 16, 2013 | 9-0 | 56-26 | Lost Conf Finals | |
2012-13 | New York Knicks | Nov 16, 2012 | 6-0 | 54-28 | Lost Conf Semi | |
2011-12 | Miami Heat | Jan 2, 2012 | 5-0 | 46-20 | Won Finals | |
| Oklahoma City Thunder | Jan 2, 2012 | 5-0 | 47-19 | Lost Finals | |
2010-11 | New Orleans Hornets | Nov 15, 2010 | 8-0 | 46-36 | Lost First Round | |
2009-10 | Boston Celtics | Nov 6, 2009 | 6-0 | 50-32 | Lost Finals | |
| Denver Nuggets | Nov 6, 2009 | 5-0 | 53-29 | Lost First Round | |
2008-09 | Los Angeles Lakers | Nov 14, 2008 | 7-0 | 65-17 | Won Finals | |
2007-08 | Boston Celtics | Nov 18, 2007 | 8-0 | 66-16 | Won Finals | |
2006-07 | New Orleans/Oklahoma City Hornets | Nov 9, 2006 | 4-0 | 39-43 | Missed Playoffs | |
2005-06 | Detroit Pistons | Nov 19, 2005 | 8-0 | 64-18 | Lost Conf Finals | |
2004-05 | Miami Heat | Nov 11, 2004 | 4-0 | 59-23 | Lost Conf Finals | |
2003-04 | Seattle Supersonics | Nov 9, 2003 | 3-0 | 37-45 | Missed Playoffs | |
2002-03 | Dallas Mavericks | Nov 28, 2002 | 14-0 | 60-22 | Lost Conf Finals | |
2001-02 | Los Angeles Lakers | Nov 16, 2001 | 7-0 | 58-24 | Won Finals | |
2000-01 | Philadelphia 76ers | Nov 22, 2000 | 10-0 | 56-26 | Lost Finals | |
1999-00 | Portland Trail Blazers | Nov 9, 1999 | 4-0 | 59-23 | Lost Conf Finals | |
1998-99 | Seattle Supersonics | Feb 17, 1999 | 6-0 | 25-25 | Missed Playoffs | |
1997-98 | Los Angeles Lakers | Nov 25, 1997 | 11-0 | 61-21 | Lost Conf Finals | |
1996-97 | Chicago Bulls | Nov 23, 1996 | 12-0 | 69-13 | Won Finals | |
1995-96 | Chicago Bulls | Nov 14, 1995 | 5-0 | 72-10 | Won Finals | |
1994-95 | Houston Rockets | Nov 22, 1994 | 9-0 | 47-35 | Won Finals | |
1993-94 | Houston Rockets | Dec 3, 1993 | 15-0 | 58-24 | Won Finals | |
1992-93 | Portland Trail Blazers | Nov 25, 1992 | 8-0 | 51-31 | Lost First Round | |
1991-92 | Golden State Warriors | Nov 8, 1991 | 4-0 | 55-27 | Lost First Round | |
1990-91 | Portland Trail Blazers | Nov 27, 1990 | 11-0 | 63-19 | Lost Conf Finals | |
1989-90 | Indiana Pacers | Nov 15, 1989 | 4-0 | 42-40 | Lost First Round | |
1988-89 | Detroit Pistons | Nov 19, 1988 | 8-0 | 63-19 | Won Finals | |
1987-88 | Los Angeles Lakers | Nov 22, 1987 | 8-0 | 62-20 | Won Finals | |
1986-87 | Atlanta Hawks | Nov 11, 1986 | 5-0 | 57-25 | Lost Conf Semi | |
1985-86 | Denver Nuggets | Nov 8, 1985 | 6-0 | 47-35 | Lost Conf Semi | |
1984-85 | Houston Rockets | Nov 14, 1984 | 8-0 | 48-34 | Lost First Round | |
1983-84 | Philadelphia 76ers | Nov 4, 1983 | 3-0 | 52-30 | Lost First Round | |
1982-83 | Seattle Supersonics | Nov 21, 1982 | 12-0 | 48-34 | Lost First Round | |
1981-82 | Portland Trail Blazers | Nov 12, 1981 | 7-0 | 42-40 | Missed Playoffs | |
1980-81 | Los Angeles Lakers | Oct 21, 1980 | 5-0 | 54-28 | Lost First Round | |
| Atlanta Hawks | Oct 21, 1980 | 4-0 | 31-51 | Missed Playoffs | |
1979-80 | Philadelphia 76ers | Oct 31, 1979 | 8-0 | 59-23 | Lost Finals | |
1978-79 | Seattle Supersonics | Oct 29, 1978 | 7-0 | 52-30 | Won Finals | |
1977-78 | Phoenix Suns | Oct 28, 1977 | 3-0 | 49-33 | Lost First Round | |
1976-77 | Denver Nuggets | Nov 11, 1976 | 8-0 | 50-32 | Lost Conf Semi | |
1975-76 | Buffalo Braves | Nov 4, 1975 | 4-0 | 46-36 | Lost Conf Semi | |
1974-75 | Washington Bullets | Oct 31, 1974 | 7-0 | 60-22 | Lost Finals | |
1973-74 | Portland Trail Blazers | Oct 23, 1973 | 3-0 | 27-55 | Missed Playoffs | |
1972-73 | Boston Celtics | Nov 4, 1972 | 10-0 | 68-14 | Lost Conf Finals | |
1971-72 | Milwaukee Bucks | Oct 29, 1971 | 7-0 | 63-19 | Lost Conf Finals | |
1970-71 | Detroit Pistons | Oct 31, 1970 | 9-0 | 45-37 | Missed Playoffs | |
1969-70 | Philadelphia 76ers | Oct 25, 1969 | 3-0 | 42-40 | Lost Conf Semi | |
1968-69 | Boston Celtics | Oct 29, 1968 | 4-0 | 48-34 | Won Finals | |
1967-68 | Boston Celtics | Nov 4, 1967 | 6-0 | 54-28 | Won Finals | |
1966-67 | Philadelphia 76ers | Nov 5, 1966 | 7-0 | 68-13 | Won Finals | |
1965-66 | Philadelphia 76ers | Nov 3, 1965 | 3-0 | 55-25 | Lost Conf Finals | |
1964-65 | Boston Celtics | Nov 12, 1964 | 11-0 | 62-18 | Won Finals | |
1963-64 | Boston Celtics | Nov 8, 1963 | 7-0 | 59-21 | Won Finals | |
1962-63 | Boston Celtics | Oct 30, 1962 | 3-0 | 58-22 | Won Finals | |
1961-62 | Boston Celtics | Nov 9, 1961 | 4-0 | 60-20 | Won Finals | |
1960-61 | Philadelphia Warriors | Nov 12, 1960 | 9-0 | 46-33 | Lost Conf Semi | |
1959-60 | Boston Celtics | Nov 8, 1959 | 6-0 | 59-16 | Won Finals | |
1958-59 | New York Knicks | Nov 1, 1958 | 2-0 | 40-32 | Lost Conf Semi | |
1957-58 | Boston Celtics | Nov 28, 1957 | 14-0 | 49-23 | Lost Finals | |
1956-57 | Syracuse Nationals | Nov 4, 1956 | 3-0 | 38-34 | Lost Conf Finals | |
1955-56 | New York Knicks | Nov 15, 1955 | 4-0 | 35-37 | Missed Playoffs | |
1954-55 | Philadelphia Warriors | Nov 16, 1954 | 1-0 | 33-39 | Missed Playoffs | |
1953-54 | Rochester Royals | Nov 8, 1953 | 3-0 | 44-28 | Lost Conf Finals | |
1952-53 | Milwaukee Hawks | Nov 12, 1952 | 2-0 | 27-44 | Missed Playoffs | |
1951-52 | Boston Celtics | Nov 15, 1951 | 4-0 | 39-27 | Lost Conf Semi | |
1950-51 | Rochester Royals | Nov 12, 1950 | 3-0 | 41-27 | Won Finals | |
| Philadelphia Warriors | Nov 12, 1950 | 2-0 | 40-26 | Lost Conf Semi | |
1949-50 | Minneapolis Lakers | Nov 12, 1949 | 4-0 | 51-17 | Won Finals | |
| Anderson Packers | Nov 12, 1949 | 3-0 | 37-27 | Lost Semi | |
| Fort Wayne Pistons | Nov 12, 1949 | 3-0 | 40-28 | Lost Div Finals | |
1948-49 | Washington Capitols | Dec 7, 1948 | 15-0 | 38-22 | Lost Finals | |
1947-48 | New York Knicks | Nov 19, 1947 | 3-0 | 26-22 | Lost Quarter | |
| Philadelphia Warriors | Nov 19, 1947 | 3-0 | 27-21 | Lost Finals | |
1946-47 | Philadelphia Warriors | Nov 19, 1946 | 2-0 | 35-25 | Won Finals |
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