Griffith is a town in Calumet and St. John townships in Lake County, Indiana, United States. It is a part of the Chicago metropolitan area. The population was 16,893 at the 2010 census.
The E.J. and E. Griffith Interlocking Tower and Griffith Grand Trunk Depot are listed in the National Register of Historic Places. In 2018, citizens of Griffith voted by a margin of 98% to 2% to leave Calumet Township in part because of the high property taxes they pay to the township, which also includes Gary, relative to the services received. The town will either have to join North Township or St. John Township.
Griffith is 630 feet (190 m) above sea level. The town's boundaries encompass part of the ancient Calumet shore lines of Lake Michigan.