The 2011 Barcelona City Council election, also the 2011 Barcelona municipal election, was held on Sunday, 22 May 2011, to elect the 9th City Council of the municipality of Barcelona. All 41 seats in the City Council were up for election. The election was held simultaneously with regional elections in thirteen autonomous communities and local elections all throughout Spain.

The City Council of Barcelona is the top-tier administrative and governing body of the municipality of Barcelona, Catalonia, Spain. In terms of political structure, it consists of the invested Mayor of Barcelona, currently Jaume Collboni, the Government Commission, and an elected 41-member deliberative Plenary with scrutiny powers.