Grimoldby is a village and civil parish in the East Lindsey district of Lincolnshire, England. It is situated 4 miles (6 km) east from Louth. The 2001 Census reported a village population of 1151, reducing at the 2011 census to 995.
Grimoldby Grade I listed Anglican church is dedicated to St Edith. It is of early Perpendicular style with embattled and crocketed aisles and clerestory, set with gargoyles.
In 1885 Kelly's Directory reported that the chief crops grown were wheat, barley, beans and oats, and that Grimoldby had three chapels, Wesleyan, Primitive Methodist and Free Methodist, and a National School.
Village amenities include a Londis shop, Grimoldby Primary School, a nursery, an Italian restaurant, public house and a cricket club. Amenities also serve the adjoining village of Manby, which is 0.5 miles (0.8 km) to the south, separated from Grimoldby by the B1200.
Grimoldby used to have a railway station.