Allison Renae Holker Boss (born February 6, 1988) is an American dancer. Holker is credited with a wide variety of work in film, television, and concert tours. She is known from her appearances on the television dance competition So You Think You Can Dance, where she was a contestant in season 2 and an all-star in seasons 7–11 and 14.
Holker was born in Anoka County, Minnesota, grew up in Orem, Utah, and graduated from Timpanogos High School in June 2006. Holker began her dance training at the age of nine when she enrolled as a student at The Dance Club in Orem. While there she began to specialize in contemporary, tap, ballet, and jazz, and performed in the opening and closing ceremonies of the 2002 Winter Olympics. Since then she has won numerous dance titles including her first National competition in Co DANCE in 2004 and as the National Senior Outstanding Dancer at the New York City Dance Alliance in 2005.