ALCS (disambiguation)

ALCS most commonly in the United States refers to the American League Championship Series in Major League Baseball.

ALCS may also refer to:


 * Abundant Life Christian School, a K4-12 school in Madison, Wisconsin
 * ALCS transaction monitor, an IBM mainframe transaction processing monitor for the airline industry
 * Authors' Licensing and Collecting Society, a British organization for writers
 * Airborne Launch Control System, the method of launching ICBMs during a nuclear attack