Lathom is a village and civil parish in Lancashire, England, about 5 km northeast of Ormskirk. It is in the district of West Lancashire, and with the parish of Newburgh forms part of Newburgh ward. The Leeds and Liverpool Canal passes through Lathom.

Lathom, which measured about six miles from north to south, covered an area of 8,694½ acres in west Lancashire. The River Tawd and Eller Brook flow through the township to join the River Douglas, which forms part of its northern boundary. Lathom House and park are between the brooks at the centre of the township. At the north of the township is Hoscar Moss which is less than 25 feet above sea level, to the south is New Park. To the west of the Eller Brook is Wirples Moss and in the south is the hamlet of Westhead, near Cross Hall. The main roads in the north pass west to east from Burscough to Newburgh, and in the south from Ormskirk to Dalton. There are roads leading north from Bickerstaffe and Skelmersdale.