Waterloo Rugby Club is an English Rugby Union team based at St Anthony's Road, Blundellsands, Merseyside. Once a powerhouse of the English rugby union game, the men's 1st XV now play in North 1 West at the sixth level of English rugby union system, following their relegation from National League 3 North at the end of the 2016-17 season.

Waterloo is an area of the Metropolitan Borough of Sefton, in Merseyside, England. Along with Seaforth the two localities make up the Sefton Ward of Church. The area is bordered by Crosby to the north, Seaforth to the south, the Rimrose Valley country park to the east, and to the west the Crosby Beach and Crosby Coastal Park.