Christopher Alfred Ahrens (born July 31, 1952) is an American former professional ice hockey defenseman who played six seasons in the National Hockey League for the Minnesota North Stars, and four games in the WHA with the Edmonton Oilers.
Ahrens was born in San Bernardino, California, and grew up in Freeport, New York. He played junior hockey with the New Hyde Park Arrows and Kitchener Rangers.
Ahrens was drafted in the fifth round, 76th overall in the 1972 NHL Entry Draft by the Minnesota North Stars. Ahrens played the majority of his professional career in the minor leagues (AHL, CHL), interspersed with 53 games, over six seasons, with the North Stars, as well as four games with the Edmonton Oilers in the World Hockey Association.