The 2003 LNBP was the 4th season of the Liga Nacional de Baloncesto Profesional, one of the professional basketball leagues of Mexico.

[4] The league title was won by Panteras de Aguascalientes, which defeated La Ola Roja del Distrito Federal in the championship series, 4–2.

[5] The first 8 teams in the regular season standings qualify for the playoffs.

The first game was played in Fresnillo on September 21 and was won by the Foreigners team, 134–112.

The second game was played in Matamoros and saw the Foreigners win, 117–90.