Zack

Zack or Zach may refer to:

People

 * Zach (surname), various people
 * Zack (surname), various people
 * Zack (given name), lists of people and fictional characters named Zack, Zach, Zac, Zak or Zakk
 * Záh (gens) or Zách, a gens (clan) in the Kingdom of Hungary

Places

 * Zack, Texas, a formerly populated place
 * Zach (crater), on the Moon

Arts and entertainment

 * Zack (play), a 1920 play by Harold Brighouse
 * Zack, a novel by William Bell

Others

 * Tropical Storm Zack (1992), a tropical storm that did not make landfall
 * Typhoon Zack (1995), a Category 4 typhoon that hit the Philippines and Vietnam