The 2006 Madrid Masters (also known as the Mutua Madrileña Masters Madrid for sponsorship reasons) was a tennis tournament played on indoor hard courts. It is the 5th edition of the Madrid Masters, and is part of the ATP Masters Series of the 2006 ATP Tour. It took place at the Madrid Arena in Madrid, Spain, from October 16 through October 23, 2006. First-seeded Roger Federer won the singles title.
The singles field was led by World No. 1, Australian Open, Wimbledon and U.S. Open, Indian Wells, Miami, Toronto Masters champion Roger Federer, ATP No. 2, French Open, Madrid defending champion, Monte Carlo and Rome winner Rafael Nadal, and Chennai, Zagreb and Vienna titlist Ivan Ljubičić. Other top seeds were Estoril champion and 2005 Masters Cup winner David Nalbandian, New Haven and Kremlin Cup titlist Nikolay Davydenko, Andy Roddick, Tommy Robredo and James Blake.
See main article: 2006 Mutua Madrileña Masters Madrid – Singles. Roger Federer defeated 
Fernando González 7–5, 6–1, 6–0
See main article: 2006 Mutua Madrileña Masters Madrid – Doubles. 
Bob Bryan / Mike Bryan defeated Mark Knowles / 
Daniel Nestor 7–5, 6–4