The 2003 County Championship season, known as the Frizzell County Championship, was the 103rd County Championship.
2003 | 2003 in music | County Durham | Orange County | County Cork | St. Louis County, Minnesota | County Galway | County Mayo | World Rally Championship | county | Montgomery County | Los Angeles County Museum of Art | Lancashire County Cricket Club | World Championship | NCAA Men's Division I Basketball Championship | Ultimate Fighting Championship | Westchester County, New York | Nassau County, New York | 2003 invasion of Iraq | World Championship Wrestling | County Antrim | Rockland County, New York | County Down | Washington County | Hillsborough County | Derby County F.C. | County Meath | County Donegal | Erie County, New York | County Tyrone |