Christopher Mark "Chris" Unthank (born 31 August 1972 in Frankston, Victoria) is a retired Australian athlete who specialised in the 3000 metres steeplechase. He represented his country at two Summer Olympics, in 1996 and 2000, reaching the semifinals on the first occasion.
|1990||World Junior Championships||Plovdiv, Bulgaria||25th||20 km road run||1:10:02|
|1995||Universiade||Fukuoka, Japan||16th||3000 m s-chase||8:59.31|
|1996||Olympic Games||Atlanta, United States||13th (sf)||3000 m s-chase||8:25.59|
|1997||World Championships||Athens, Greece||23rd (h)||3000 m s-chase||8:32.03|
|1998||Commonwealth Games||Kuala Lumpur, Malaysia||5th||3000 m s-chase||8:37.24|
|2000||Olympic Games||Sydney, Australia||36th (h)||3000 m s-chase||9:11.19|