1998 in basketball
Championships
World Championships
- Men Yugoslavia 64, Russia 62
- Women USA 71, Russia 65
Professional
- Men
- *1998 NBA Finals: Chicago Bulls over the Utah Jazz 4-2. MVP: Michael Jordan
- ** 1998 NBA Playoffs, 1998-99 NBA season, 1998 NBA Draft
- * Philippine Basketball Association 1998 season:
- **Alaska Milkmen over the San Miguel Beermen 4-3 in the All-Filipino Cup Finals
- **Alaska Milkmen over the San Miguel Beermen 4-2 in the Commissioner's Finals
- **Formula Shell Zoom Masters over the Mobiline Phone Pals 4-3 in the Governor's Finals
- *WNBA Finals: Houston Comets over the Phoenix Mercury 2-1. MVP: Cynthia Cooper
College
- Men
- *NCAA Division I: University of Kentucky 78, University of Utah 69
- *National Invitation Tournament: University of Minnesota def. Penn State University
- *NCAA Division II: University of California-Davis 83, Kentucky Wesleyan College 77
- *NCAA Division III: University of Wisconsin-Platteville 69, Hope College 53
- *NAIA Division I: Georgetown College 83, Southern Nazarene University 69
- *NAIA Division II: Bethel College 89, Oregon Institute of Technology 87
- *NJCAA Division I: Indian Hills CC, Ottumwa, Iowa 83, Shelby State CC, Memphis, Tennessee 68
- Women
- *NCAA Division I: Purdue University 62, Duke University 45
- *NCAA Division II: North Dakota State University 92, Emporia State University 76
- *NCAA Division III Washington 77, University of Southern Maine 69
- *NAIA Division I: Union College 73-70 Southern Nazarene University 70
- *NAIA Division II Walsh University ) 73, University of Mary Hardin-Baylor 66
Preps
- USA Today Boys Basketball #1 Ranking: St. John's at Prospect Hall, Frederick, Maryland Led by Jason Capel and Damien Wilkins.
- USA Today Girls Basketball #1 Ranking: Christ the King, Queens, New York Won the New York Federation Class A title, led by Sue Bird.
Awards and honors
Professional
- Men
- *NBA Most Valuable Player Award: Michael Jordan
- *NBA Rookie of the Year Award: Tim Duncan
- *NBA Defensive Player of the Year Award: Dikembe Mutombo
- *NBA Coach of the Year Award: Larry Bird, Indiana Pacers
- Women
- *WNBA Most Valuable Player Award: Cynthia Cooper, Houston Comets
- *WNBA Defensive Player of the Year Award: Teresa Weatherspoon, New York Liberty
- *WNBA Rookie of the Year Award: Tracy Reid, Charlotte Sting
- *Kim Perrot Sportsmanship Award: Suzie McConnell Serio, Cleveland Rockers
- *WNBA Coach of the Year Award: Van Chancellor, Houston Comets
- *WNBA Finals Most Valuable Player Award: Cynthia Cooper, Houston Comets
Collegiate
- Men
- *John R. Wooden Award: Antawn Jamison, North Carolina
- *Naismith College Coach of the Year: Bill Guthridge, North Carolina
- *Frances Pomeroy Naismith Award: Earl Boykins, Eastern Michigan
- *Associated Press College Basketball Player of the Year: Antawn Jamison, North Carolina
- *NCAA Basketball Tournament Most Outstanding Player: Richard Hamilton, Connecticut
- *USBWA National Freshman of the Year: Larry Hughes, Saint Louis
- *Associated Press College Basketball Coach of the Year: Tom Izzo, Michigan State
- *Naismith Outstanding Contribution to Basketball: Dean Smith
- Women
- *Naismith College Player of the Year: Chamique Holdsclaw, Tennessee
- *Naismith College Coach of the Year: Pat Summitt, Tennessee
- *Wade Trophy: Ticha Penicheiro, Old Dominion
- *Frances Pomeroy Naismith Award: Angie Arnold, Johns Hopkins
- *Associated Press Women's College Basketball Player of the Year: Chamique Holdsclaw, Tennessee
- *NCAA Basketball Tournament Most Outstanding Player: Chamique Holdsclaw, Tennessee
- *Basketball Academic All-America Team: Lisa Davies, Missouri State
- *Carol Eckman Award: Kay James, Southern Mississippi
- *Associated Press College Basketball Coach of the Year: Pat Summitt, Tennessee
- Class of 1998:
- * Larry Bird
- * Jody Conradt
- * Alex Hannum
- * Marques Haynes
- * Aleksandar Nikolić
- * Arnie Risen
- * Lenny Wilkens
Events
Movies
- BASEketball
- He Got Game
Deaths
- March 11 — Buddy Jeannette, Hall of Fame NBA, NBL and BAA player
- March 17 — Cliff Barker, American basketball player
- May 15 — Earl "Goat" Manigault, legendary street player
- June 8 — McCoy Ingram, 67, American player.
- July 4 — Jay Taylor, American NBA player
- August 8 — Sam Balter, member of 1936 US Olympic team
- November 6 — Jack Hartman, American Kansas State University coach
- November 6 — Fred Pralle, All-American college player
- November 13 — Red Holzman, American Basketball Hall of Fame coach who won two NBA championships with the New York Knicks
- December 6 — Radomir Shaper, Serbian player and administrator and FIBA Hall of Fame member