Richard Ian M. Alexander (born 15 September 1981 in Homersfield, Suffolk), nicknamed "Ratman", is an English field hockey player.

Alexander made his international senior debut for the national squad in January 2005 against South Africa.

He has represented Great Britain at the 2008 Summer Olympics in Beijing, and England at the 2010 Commonwealth Games.

He has also played for Richmond Hockey Club, Hampstead & Westminster, Wimbledon, Surbiton and Loughborough.

This biographical article relating to an English field hockey figure is a stub.