Louisa Brownfield (born 14 April 1984), also known as Louisa Watson, is a former England netball international. She was a member of the England teams that won bronze medals at the 2006 and 2010 Commonwealth Games and at the 2011 World Netball Championships. Between 2006 and 2015, Brownfield also played for Mavericks in seven Netball Superleague grand finals, helping them win two titles in 2007–08 and 2011.