Bwin Interactive Entertainment AG, formerly Betandwin, is an online gambling brand owned by Entain. The brand offers sports betting, online casino and poker products in regulated markets through Entain operating companies. Bwin's products include sports betting, casino games and poker. The brand operates as part of Entain's portfolio of sports betting and gaming brands. Competence centers were located in Vienna, Stockholm, and Gibraltar.

Bwin was listed on the Vienna Stock Exchange from 2000 until the 2011 merger of bwin and PartyGaming, which formed Bwin.Party Digital Entertainment. GVC Holdings acquired bwin,party in 2016, and GVC changed its name to Entain in 2020.

Bwin was Real Madrid's shirt sponsor from 2007 to 2013.

Bwin was founded in 1997 as Bertandwin by Norbert Teufelberger and Manfred Bodner. The company launched its online gambling site in 1998, focusing on the growing sports betting market. Betandwin was listed on the Vienna Stock Exchange in March 2000.

In 2001, Betandwin acquired Simon Bold (Gibraltar) and later operated through Bwin International Ltd.

Betandwin launched an online casino platform in 2001 and introduced a soft games platform in 2003.

Betandwin launched multiplayer poker in 2004. In 2005, it acquired betoto.com, a fixed-odds betting business.

In 2005, Betandwin acquired Ongame e-solutions AB. After the acquisition, Ongame e-Solutions was renamed Bwin Games.