Joseph Johnston

• Joseph Johnston (Irish politician), Irish academic, farmer and politician
• Allan Johnston (politician), Liberal party member of the Canadian House of Commons
• Joseph C. Johnston, American politician in the state of Iowa
• Joseph E. Johnston, United States and Confederate Army general
• Joseph F. Johnston, American governor of Alabama
• Joseph Shackford Johnston, president of Virginia Wesleyan College
• Joe Johnston, American film director
• Joe Johnston (rugby union), New Zealand rugby union player