Joe Maddock (born 20 December 1978) is a retired rugby union winger/fullback who last played for Saracens F.C. in the Aviva Premiership.
During his professional career he has represented the Super 14 side the Crusaders between 2002–04 when the side won the Super 12 title after an unbeaten season and the New Zealand Maori on their tour of England in 2003.
Maddock was born in Christchurch, New Zealand and represented the Prebbleton club in his younger years.
He made his professional debut for the province Canterbury in 2001, scoring two tries against Buller in a Ranfurly Shield match. In two years with Canterbury Maddock ran in 27 tries in 30 appearances. Maddock marked his Crusaders debut in 2002 with a try against the Highlanders. He scored a further two tries in his freshman season for the Crusaders as they won the Super 12 title undefeated. Maddock failed to score in his second season with the Crusaders, and departed the side with 16 appearances and 3 tries. In 2003, Maddock was selected for the New Zealand Maori squad for their England tour in 2003. Regaining his scoring touch, he ran in 8 tries in 8 games for the Maori.
Maddock joined Bath from Canterbury in summer 2004. In his first season at the Rec he made 14 appearances (9 starts) and scored 2 tries. The following season, 2005/06 saw Maddock scoop the Ted Arnold award for being the club's top try scorer, securing 5 touchdowns in 19 games in all competitions. He finished the 2006/07 season with 8 tries in 30 competitive games making him the club's joint top scorer for the season. His performances gave him the 'Best Back' title at the end-of-season awards dinner.
In the 2007/08 season, Matt Banahan grabbed many headlines, but Maddock proved once again reliable at being on hand to run in 6 in 18 appearances, including 2 during Bath's road to victory in the European Challenge Cup.
2008/09 started well for Bath, ending with Maddock the leading try scorer in the Guinness premiership with 11 tries.
In May 2010, Maddock announced that he will be leaving Bath at the end of the 2009/10 season and signed for Benetton Rugby Treviso.
In June 2011, Maddock signed for English club Saracens.
Maddock is also a basketball player and has represented Canterbury. In his spare time he enjoys playing basketball at the Bath Spa University along with team mates Jonny Fa'amatuainu and Eliota Fuimaono-Sapolu.