The 1975–76 NBA season was the 30th season of the National Basketball Association. The season ended with the Boston Celtics winning the NBA Championship, beating the Phoenix Suns 4 games to 2 in the NBA Finals.

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• Larry O'Brien begins his tenure as the league's third commissioner.^[1]
• The 1976 NBA All-Star Game was played at The Spectrum in Philadelphia, with the Eastern Conference beating the Western Conference 123–109.^[2] Dave Bing of the Washington Bullets wins the game's MVP award.^[2]
• The Kansas City-Omaha Kings are renamed the Kansas City Kings as they settle into a permanent home in Kansas City, Missouri.
• The New Orleans Jazz moved into the cavernous Louisiana Superdome after splitting their inaugural season between two inadequate facilities, the Loyola University Fieldhouse and New Orleans Municipal Auditorium.
• The Houston Rockets play their inaugural season in The Summit.
• It was the final season for Don Nelson, Pat Riley and Jerry Sloan as players. Each would go on to coach more than 2,000 games in the NBA.
• This was the final season before the NBA-ABA merger. In the 1976 offseason, four ABA teams joined the NBA: the Denver Nuggets, Indiana Pacers, San Antonio Spurs, and the reigning ABA champion New York Nets, who relocated to New Jersey.
• It was the first season for Darryl Dawkins, World B. Free, and Kobe Bryant's dad Joe Bryant.
• Dick Bavetta began his Hall of Fame officiating career, replacing the retired Mendy Rudolph, who suffered a blood clot in his lung during a 1975 playoff game and became an analyst for CBS Sports. Bavetta went on to set the record for most games officiated with 2,635 by the time he retired in 2014.
• Kareem Abdul-Jabbar was named the league's Most Valuable Player despite his team missing the playoffs. He remains the only league MVP to miss the playoffs.
• The NBA Finals were contested by the Boston Celtics and Phoenix Suns. Phoenix was making their first finals appearance; Boston was making their fourteenth.
• Game 4 of the NBA Finals was first game ever played in the month of June.
• Game 5 of the NBA Finals between the Celtics and the Suns went into triple-overtime before the Celtics prevailed 128–126. This was the first triple-overtime game in NBA finals history; the only triple-overtime finals game since occurred in 1993, in which the Phoenix Suns were again participating.

• Most Valuable Player: Kareem Abdul-Jabbar, Los Angeles Lakers
• Rookie of the Year: Alvan Adams, Phoenix Suns
• Coach of the Year: Bill Fitch, Cleveland Cavaliers

• 1976 NBA Finals
• 1976 NBA playoffs
• 1975–76 ABA season
• List of NBA regular season records