Danny Arnold (born 15 April 1977 in Warrington) is a retired professional rugby league footballer of the 1990s and 2000s representing at club level for St Helens, Huddersfield Giants, Castleford Tigers, Salford City Reds, and Halifax, as a Fullback, Wing, or Centre.
Arnold was signed by St Helens from amateur club Wigan St Judes on 15 April 1994 and made his début on 10 September 1995 against Workington Town.
One of the most memorable moments of Arnold's career was the hat-trick he scored against Wigan Warriors at Knowsley Road in 1996 where St Helens ran out 42-26 winners. Arnold also played for St Helens on the wing in the 1996 Challenge Cup Final at Wembley Stadium, London, scoring a try in each half of the match, helping his team to a 40-32 victory against Bradford Bulls.
During his time at St Helens, Arnold won two Challenge Cup final winners' medals (1996 and 1997), both finals against Bradford Bulls. He was also part of Saints' Championship winning side of 1996.
Arnold was a Scotland international and played at the 2000 Rugby League World Cup. He made nine appearances for the team between 1998 and 2003, scoring eight tries.
He currently plays Rugby Union for Aspull RUFC  veterans in Wigan.