The A643 is a main road in West Yorkshire, England.
It starts at the Armley Gyratory and ends at junction 23 of the M62 Motorway (Mount Roundabout, Outlane, Huddersfield) and is approximately 18 miles (29 km) long.
The road goes through Morley, Birstall, Gomersal, Cleckheaton, Brighouse, Rastrick to the north of Huddersfield (Ainley Top and Mount).
The Leeds United AFC football stadium is named after the road part of the A643 that passes it, Elland Road. This road is so called because the A643 originally ended in town of Elland near Halifax.