Note: Blocked shots have been compiled since 1973-74

Most blocked shots per game, season
8.7-Washington, 1985-86 (716/82)

Fewest blocked shots per game, season
2.6-Dallas, 1980-81 (214/82)

Most blocked shots, game
23-Toronto vs. Atlanta, March 23, 2001

Fewest blocked shots, game
0-By many teams

Most blocked shots, both teams, game
34-Detroit (19) vs. Washington (15), November 19, 1981

Fewest blocked shots, both teams, game
0-Seattle at Portland, November 22, 1973
0 - Atlanta at Phoenix, December 3, 1974
0 - Kansas City at New York, October 30, 1975
0 - Detroit at New York, November 29, 1975
0 - Houston at Los Angeles, January 22, 1978
0 - Buffalo at Atlanta, January 29, 1978
0 - Phoenix at Portland, November 25, 1979
0 - Washington at Dallas, February 10, 1982
0 - Miami at Detroit, January 2, 1994
0 - San Antonio at Milwaukee, November 14, 1995

Most blocked shots, one half
16-Toronto vs. Atlanta, March 23, 2001

Most seasons leading league
4-Kareem Abdul-Jabbar, Milwaukee, 1974-75; Los Angeles, 1975-76, 1978-79-1979-80
4 - Mark Eaton, Utah, 1983-84-1984-85; 1986-87-1987-88

Most consecutive seasons leading league
3-Dikembe Mutombo, Denver, 1993-94-1995-96

Most blocked shots, career
3,830-Hakeem Olajuwon, Houston, 1984-85-1997-98

Highest average, blocked shots per game, career
(minimum 400 games)
3.50-Mark Eaton, Utah, 1982-83-1992-93 (3,064/875)

Most blocked shots, season
456-Mark Eaton, Utah, 1984-85

Highest average, blocked shots per game, season (qualifiers)
5.56-Mark Eaton, Utah, 1984-85 (456/82)

Most blocked shots, rookie, season
397-Manute Bol, Washington, 1985-86

Highest average, blocked shots per game, rookie, season (qualifiers)
4.97-Manute Bol, Washington, 1985-86 (397/80)

Most blocked shots, game
17-Elmore Smith, Los Angeles vs. Portland, October 28, 1973

Most blocked shots, one half
11-Elmore Smith, Los Angeles vs. Portland, October 28, 1973
11 - George Johnson, San Antonio vs. Golden State, Feb. 24, 1981
11 - Manute Bol, Washington vs. Milwaukee, December 12, 1985

Most blocked shots, one quarter
8-Manute Bol, Washington vs. Milwaukee, December 12, 1985
8 - Manute Bol, Washington vs. Indiana, February 26, 1987
8 - Dikembe Mutombo, Philadelphia at Chicago, December 1, 2001
8 - Erick Dampier, Golden State vs. L..A. Clippers, April 17, 2002