| Competition: | Campeonato Mineiro de Futebol do Módulo I |
| Season: | 2003 |
| Winners: | Cruzeiro (30th title) |
| Relegated: | Nacional |
| Continentalcup1: | 2004 CB |
| Continentalcup1 Qualifiers: | América Tupi |
| Continentalcup2: | 2003 Série C |
| Continentalcup2 Qualifiers: | Villa Nova Ipatinga Tupi Rio Branco |
| League Topscorer: | Guilherme (Atlético) - 13 goals |
| Biggest Home Win: | Cruzeiro 6-0 Mamoré (February 26, 2003) |
| Biggest Away Win: | Social 1-5 Atlético (March 9, 2003) URT 0-4 Cruzeiro (March 16, 2003) |
| Highest Scoring: | Caldense 3-4 Rio Branco (January 26, 2003) América 6-1 URT (February 23, 2003) |
| Matches: | 78 |
| Total Goals: | 252 |
| Prevseason: | 2002 |
| Nextseason: | 2004 |
The 2003 Campeonato Mineiro de Futebol do Módulo I was the 89th season of Minas Gerais's top-flight professional football league. The season began on January 26 and ended on March 30. Cruzeiro won the title for the 30th time. [1] [2]