Holbeach is a market town and civil parish in the South Holland District in Lincolnshire, England. The town lies 8 miles (13 km) from Spalding; 17 miles (27 km) from Boston; 20 miles (32 km) from King's Lynn; 23 miles (37 km) from Peterborough; and 43 miles (69 km) by road from Lincoln. It is on the junction of the A151 and A17.