26 Doping cases in rugby league

David Allen is an Ireland international rugby league footballer who plays as a second-row forward for the Rochdale Hornets in the Betfred Championship. He previously played for the Wigan Warriors, Oldham, Barrow Raiders, Widnes Vikings and Whitehaven.

Ben Barba is an Australian former professional rugby league footballer who last played for St. Helens in the Super League. He primarily plays as a fullback and five-eighth. He was banned by both the National Rugby League (NRL) and Rugby Football League (RFL) in February 2019 following an assault on his partner.

Moutoa Lance "Rangi" Chase is a rugby league footballer who plays for the Rochdale Hornets in RFL League 1.

Luke Archibald Douglas is an Australian-born Scotland international former rugby league footballer who played as a prop.

Sandor Earl is a former New Zealand Māori international rugby league footballer who played on the wing for the Sydney Roosters, Penrith Panthers, Canberra Raiders and the Melbourne Storm in the NRL. He was banned for four years for a doping violation in 2013.

Paul Gallen is an Australian professional boxer and a former professional rugby league footballer who played as a lock, prop and second-row forward and captained the Cronulla-Sutherland Sharks in the NRL to their maiden NRL Premiership in 2016.

Nathan Gardner, also known by the nickname of "Gards", is an Australian professional rugby league footballer who has played in the 2000s and 2010s. He has played for the Cronulla-Sutherland Sharks, usually as a fullback, but also as a wing. He previously played for the Parramatta Eels Toyota Cup (Under-20s) team and Cronulla-Sutherland Sharks. He made his National Rugby League (NRL) premiership début in the 2010 season against the Penrith Panthers.

Martin Gleeson is the assistant attack coach at the rugby union club; Wasps RFC. He is the former assistant coach at the rugby league club Salford Red Devils in the Super League, and an English former professional rugby league footballer. He represented both Great Britain and England internationally as a centre. His previous clubs include the Huddersfield Giants, St. Helens, the Warrington Wolves, the Wigan Warriors, Hull F.C. and the Salford City Reds. His honours include winning the Super League in 2002 and 2010 and the Challenge Cup in 2004.

Zak Alexander Hardaker is an English professional rugby league footballer who plays as a centre or fullback for the Wigan Warriors in the Betfred Super League. He has played for the England Knights, England and Great Britain at international level.

Gareth Hock is an English former professional rugby league footballer who previously played as a second-row, loose forward or prop for the Leigh Centurions in the Betfred Championship. He has represented Great Britain and England at international level.

Ryan Lee Hudson, also known by the nicknames of "Raz", and "Hudders", is an English former professional rugby league footballer who played in the 1990s, 2000s and 2010s. He played at representative level for Great Britain (A-Team), England (A-Team), and Yorkshire, and at club level for Stanley Rangers, the Huddersfield Giants, the Wakefield Trinity Wildcats, the Castleford Tigers (captain), and the Bradford Bulls, as a stand-off, hooker, second-row, or loose forward. He is also the brother of former Coronation Street and Wild at Heart actress Lucy-Jo Hudson.

Albert Kelly is an Australian professional rugby league footballer who plays as a five-eighth or halfback for the Brisbane Broncos in the NRL.

Martin Kennedy is an Australian professional rugby league footballer who plays as a prop.

Danny Langtree is a professional rugby league footballer who plays as a forward for Barrow Raiders in the RFL Championship. He spent two spells at Oldham RLFC and is their highest try scorer.

Adam "Mad Dog" MacDougall is an Australian author, businessman and former professional rugby league footballer who played in the 1990s and 2000s. A New South Wales State of Origin and Australian international representative centre and wing, he could also play fullback and spent the majority of his career at the Newcastle Knights, with whom he won the 1997 and 2001 Premierships. He has also played for the Sydney Roosters and South Sydney Rabbitohs. His brothers, Luke MacDougall, Ben MacDougall and Scott MacDougall have also played in the NRL. His father, Gil MacDougall, played for the Balmain Tigers and Western Suburbs Magpies NSWRFL.

Reni Maitua is an Australian-Samoan former professional rugby league footballer An Australian and Samoan International representative player, he previously played for the Canterbury-Bankstown Bulldogs, with whom he won the 2004 NRL Premiership. Maitua covered a number of positions, known for typically playing on an edge as a backrow forward or centre, Maitua's skillset saw him play in the halves as well.

Jonathan Mannah was an Australian professional rugby league footballer who played as a prop for the Cronulla Sharks and the Parramatta Eels in the NRL.

Jarrod Stephen Mullen is an Australian professional rugby league footballer Who plays for the Sunshine Coast Falcons in the Queensland Cup. A New South Wales State of Origin representative, he played at five-eighth and halfback. He previously played for Newcastle Knights.

Terry Newton was an English professional rugby league footballer who played in the 1990s and 2000s. He played at representative level for Great Britain, England and Lancashire, and at club level for the Leeds Rhinos, the Wigan Warriors, Bradford Bulls and Wakefield Trinity Wildcats, and was one of a handful of players to feature in each of the first 15 seasons of Super League. In February 2010, he was given a two-year ban after being one of the first sportsmen to have tested positive for human growth hormone. He was found hanged in his home seven months later.

Chris Salem is a former Lebanon international rugby league footballer who represented Lebanon at the 2000 World Cup.

Mitchell Sargent, also known by the nickname of "Sarge", is an Australian former professional rugby league footballer who played in the 2000s and 2010s. A Country New South Wales representative forward, he played club football in the NRL for the Melbourne Storm, the North Queensland Cowboys and Newcastle Knights and in the Super League for English side, Castleford Tigers.

Jeremy Smith is a New Zealand former professional rugby league footballer who played in the 2000s and 2010s. A New Zealand international representative, he played as a second-row and lock. He played for the Melbourne Storm, the St. George Illawarra Dragons, with whom he won the 2010 NRL Grand Final with, the Cronulla-Sutherland Sharks and the Newcastle Knights, who he co-captained, in the NRL.

Kade Snowden is an Australian former professional rugby league footballer who played in the 2000s and 2010s. He played as a prop. He began his career at the Newcastle Knights and made his first grade debut in 2005 in the opening round against the Melbourne Storm. He then signed with the Cronulla-Sutherland Sharks in 2008 and cemented a spot as a regular starter for the side. In 2010 he was rewarded with representative call ups to the NSW Country Origin and New South Wales State of Origin sides.

Anthony Tupou is a former professional rugby league footballer who played as a second-row and lock in the 2000s and 2010s. An Australian international and New South Wales State of Origin representative, he played for the Sydney Roosters, Cronulla-Sutherland Sharks and Newcastle Knights in the National Rugby League, while also having a stint in the Super League with the Wakefield Trinity Wildcats.

Matthew Wright is a Samoa international rugby league footballer who plays as a centre, wing and fullback for the Newcastle Thunder in Betfred Championship.

Bronson Xerri pronounced is an Australian professional rugby league footballer who last played as a centre for the Cronulla-Sutherland Sharks in the NRL. He is suspended from playing until November 2023 due to a doping violation.