International Communist League

International Communist League may refer to:


 * Internationalist Communist League (Brazil), predecessor of the Communist League
 * International Communist League (Fourth Internationalist), also known as the Spartacist League
 * International Communist League (Mexico), which joined the Workers' Revolutionary Party in 1976
 * Internationalist Communist League (Portugal)
 * International Communist League (Vietnam), active from 1944 until about 1946
 * International-Communist League, a short-lived alliance of British groups in the mid-1970s
 * Left Opposition, led by Trotsky from 1933 until 1936
 * Pathfinder tendency, sometimes referred to as the International Communist League
 * International Communist League (Maoist), the international of the Shining Path and other Maoist parties