Adrian Morley (born 10 May 1977 in Salford, England) is a professional rugby league footballer for the Warrington Wolves of Super League. A Great Britain and England international representative prop forward, he previously played for the Leeds Rhinos (winning the Challenge Cup with them in 1999), Australia's Sydney Roosters (with whom he won the 2002 NRL Premiership), and Bradford Bulls (with whom he won 2005's Super League X), before moving to Warrington (with whom he won the Challenge Cup in 2009 and 2010).

Morley played for Leeds between 1996 and 2000. Although also eligible for the Welsh national team, he made his England and Great Britain debuts in 1996. In the 1997 post season, Morley was selected to play for Great Britain in all three matches of the Super League Test series against Australia. Morley won the Challenge Cup with Leeds in 1999 when they defeated the London Broncos 52 - 16 at Wembley Stadium. He was offered a chance to play alongside his brother Chris Morley in the 2000 World Cup, who played for Wales but chose to commit to England.