The 2002–03 Kansas Jayhawks men's basketball team represented the University of Kansas in the 2002–03 NCAA Division I men's basketball season, which was the Jayhawks' 105th basketball season and the 15th and final season under head coach Roy Williams.

The team played its home games in Allen Fieldhouse in Lawrence, Kansas.

[2][3] [4] [5][6] *There was no coaches poll in week 1.