William Aitken

William Aitken or Bill Aitken may refer to:


 * William Aitken (politician) (1903–1964), journalist and politician
 * William Aitken (footballer) (1894–1973), Scottish soccer player
 * William Alexander Aitken (1785–1851), fur trader with the Ojibwe
 * William Aubrey Aitken (1911–1985), second Bishop of Lynn, 1972–1986
 * William Aitken (pathologist) (1825–1892), Scottish pathologist
 * Bill Aitken (politician) (born 1947), Scottish politician
 * Bill Aitken (writer) (born 1934), Scottish-born writer and traveller, long a citizen and resident of India