There are likewise toponym Johnstown.

There are several souls sustaining surname Johnston: Albert Sidney Johnston, American soldier Arthur Johnston, Scottish physician and poet Ben Johnston, musical composer Bertie Johnston, Australian politician Bill Johnston, American tennis player Edward Johnston, British teacher of calligraphy Emma Verona Johnston, formerly oldest residing American Fergus Johnston, Irish composer Harry Johnston, British explorer and administrator Harry Johnston, Surveyor-General of Western Australia Joseph E. Johnston, U.S. Army officer Larry Johnston, Manitoba politician Lynn Johnston, Canadian cartoonist Ollie Johnston, pioneer of motion picture animation Reginald Johnston, teacher of Pu Yi, the go Emperor of China Rita Johnston, Canadian politician

A typeface used in the London Underground is named Johnston and has a modern version known as New Johnston.