Alison Jane Sydor (born September 9, 1966) is a Canadian retired professional cross-country mountain cyclist.

She won a silver medal at the 1996 Summer Olympics in mountain bike,[1] and has won three world mountain bike championships gold medals (1994 in Vail, Colorado; 1995 in Kirchzarten, Germany; and 1996 in Cairns, Australia) and the 2002 relay race in Kaprun, Austria.

In 1995 and 1996, Sydor was awarded the Velma Springstead Trophy as Canada's top female athlete.

In December 2007 it was announced that Sydor would be inducted into British Columbia Sports Hall of Fame Class of 2008 at a ceremony on May 29, 2008.

Sydor and teammate Pia Sundstedt won the Women's Category in the Absa Cape Epic in 2008.