The 1966 NCAA College Division basketball tournament involved 36 schools playing in a single-elimination tournament to determine the national champion of men's NCAA College Division basketball as a culmination of the 1965–66 NCAA College Division men's basketball season. It was won by Kentucky Wesleyan College, with Kentucky Wesleyan's Sam Smith named Most Outstanding Player.

Springfield

Syracuse

Moorhead

Akron

Jonesboro

Reading

Worcester

Grand Forks

Carbondale

Fresno

Durham

Evansville

1966 NCAA Division II Men's sites - first round (white) first 2 rounds (yellow) regionals (cyan) Elite Eight (red)

Regional participants

*indicates a tie

Regionals

Northeast

• Section B Consolation March 2 - Le Moyne 86, Potsdam State 63
• Section A Consolation March 3 - American International 96, Springfield 94*

Notes

• The right to host the regional final was given to the Section A winner, which was Assumption.^[1]
• American International College and Springfield College are both located in Springfield, Massachusetts. Springfield College was the host school for Section A.^[2]

South - Durham, North Carolina

Location: McClendon–McDougald Gym Host: North Carolina College at Durham

• Third Place - Winston-Salem 85, South Carolina State 81

East - Reading, Pennsylvania

Location: Bollman Center Host: Albright College

• Third Place - Albright 78, Drexel 61

Mideast - Akron, Ohio

Location: Memorial Hall Host: Municipal University of Akron

• Third Place - Youngstown State 94, Randolph–Macon 63

Pacific Coast - Fresno, California

Location: North Gym Host: Fresno State College

• Third Place - Nevada 74, San Diego 71

Great Lakes - Carbondale, Illinois

Location: SIU Arena Host: Southern Illinois University

• Third Place - Lamar 93, Indiana State 78

Southwest - Jonesboro, Arkansas

Location: Indian Fieldhouse Host: Arkansas State College

• Third Place - Arkansas State 84, Jackson State 77

Midwest - Grand Forks, North Dakota

Location: Hyslop Sports Center Host: University of North Dakota

Note: The first-round game between North Dakota and Colorado State College was delayed a day to March 6; the Valparaiso/Saint Procopius game was played in Moorhead, Minnesota on March 5; and the third-place game was cancelled entirely. These occurrences were due to inclement weather.

*denotes each overtime played

National Finals - Evansville, Indiana

Location: Roberts Municipal Stadium Host: Evansville College

• Third Place - Akron 76, North Dakota 71

*denotes each overtime played

All-tournament team

• Phil Jackson (North Dakota)
• David Lee (Southern Illinois)
• George McNeil (Southern Illinois)
• Clarence Smith (Southern Illinois)
• Sam Smith (Kentucky Wesleyan)