Kathrin ("Katie") Louise Walsh (born 9 May 1980 in Withington, Manchester) is the field hockey captain for Great Britain and England. When she was 28 she had over 130 caps for England and 60 for Great Britain. As an active sports person she is twice a winner of the Hockey Writers Club UK Player of the Year and then in 2003 she was shortlisted for the World Player of the Year Award and the in 2007 she was named Great Britain Hockey Athlete of the Year.
Walsh made both her England and Great Britain debuts in 1999 and has since gone on to play at the full range of international tournaments – the 2000 and 2008 Olympics, two World Cups, three European Cups, two Champions Trophy, two Commonwealth Games and three Champions Challenge.As a defender she has twice won medals at international tournaments at her hometown of Manchester — silver at the 2002 Commonwealth Games, and bronze at the 2007 EuroHockey Nations Championships.
Walsh plays her club hockey for Reading HC, in the English Hockey League Premier Division. In Summer Olympics 2012, Walsh was hit by a stick in the team's opening match against Japan and suffered a broken jaw, which was expected to end her journey in Olympic games, however after missing two matches she returned to play in their penultimate group game against China.
Walsh married Great Britain and England teammate Helen Richardson and both changed their last name after.