|Full name||Rugby Club Donau|
|Union||Austrian Rugby Federation|
Piraten (Pirates) - A-team
|League(s)||Erste Österreichische Bundesliga|
The club was founded in 1989 as a youth team of RC Wien. Later that year they won the first Austrian Youth Championships, which they won again in 1991. As the players grew older, they progressed to the RC Wien senior team.
They merged with RC Wien in 1999, although Wien had separate teams up until 2002.
RC Wien 
- 1993, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002
- Austro-Moravia Cup
- 1997, 1998
RC Donau 
- 2003, 2004, 2005, 2006
- Austrian Sevens Championships
- 2008, 2010