See main article: 2009 Barcelona Open Banco Sabadell.
Bob Bryan and Mike Bryan were the defending champions, but lost in the semifinals to Mahesh Bhupathi and Mark Knowles.
Daniel Nestor and Nenad Zimonjić won in the final 6–3, 7–6(11–9), against Mahesh Bhupathi and Mark Knowles.
All seeds receive a bye into the second round.