Alexander Gardner

Alexander Gardner may refer to:
 * Alexander Gardner (photographer) (1821–1882), Scottish photographer who emigrated to the United States
 * Alexander Gardner (soldier) (1785–1877), traveller, soldier and mercenary
 * Alex Gardner (baseball) (1861–1926), Canadian baseball player
 * Alex Gardner (footballer) (1877–1952), Scottish footballer for Newcastle United
 * Alex Gardner (singer) (born 1991), Scottish singer-songwriter now known as A-L-X