Rebecca Trethowan

Rebecca Smyth (née Trethowan born 8 February 1985) is an Australian former rugby union player. She represented at the 2010 Rugby World Cup, they finished in third place. She also competed at the 2006 and 2014 Rugby World Cup's.

Smyth was named in a 22-player squad that toured New Zealand in October 2007. In 2008, Smyth toured New Zealand again with the Wallaroos for a Two-Test series.