Alexander Johnston

• Alex Johnston (Australian rules footballer)
• Alex Johnston (rugby league)
• Alexander Johnson (disambiguation)
• Alexander Johnston (1775–1849)
• Alexander Johnston (British Army officer)
• Alexander Johnston (Canadian politician)
• Alexander Johnston (Scottish politician)
• Alexander Johnston (artist)
• Alexander Johnston (footballer)
• Alexander Johnston (historian)
• Alexander Johnstone (disambiguation)
• Alexander Keith Johnston (1804–1871)
• Alexander Keith Johnston (1844–1879)
• Alexander Robert Johnston
• Alexander W. Johnston