Ab Krook (18 June 1944 – 13 October 2020) was a Dutch speed skating coach between 1977 and 2006.

He competed at Dutch National Championships, but never reached the top.

After being coach he held other functions within Dutch speed skating.

He coached Bart Veldkamp winning gold at the 1992 Winter Olympics.

This biographical article about a speed skater from the Netherlands is a stub.