Kutcher was born in Cedar Rapids, Iowa. He is the son of Diane (née Finnegan), a Procter & Gamble employee, and Larry M. Kutcher, a factory worker. His father is of Bohemian (Czech) descent and his mother is of Irish, German, and Bohemian ancestry. Kutcher was raised in a conservative Roman Catholic family, with an older sister, Tausha, and a fraternal twin, Michael, who had a heart transplant when the brothers were young children. Kutcher's twin brother also has cerebral palsy and is a spokesperson for the advocacy organization Reaching for the Stars.
Kutcher attended Washington High School in Cedar Rapids for his freshman year, before his family moved to Homestead, Iowa, where he attended Clear Creek Amana High School. Kutcher also appeared in school plays.
Kutcher attended Washington High School in Cedar Rapids for his freshman year, before his family moved to Homestead, Iowa, where he attended Clear Creek Amana High School. Kutcher also appeared in school plays.