List of Billboard Mainstream Top 40 number-one songs of 2011
This is a list of songs which reached number one on the Billboard Mainstream Top 40 (or Pop Songs) chart in  2011. During 2011, a total of 18 singles hit number-one on the charts. Chart history

See also
2011 in music

References

External links
Current Billboard Pop Songs chart

Lists of Billboard Mainstream Top 40 number-one songs
United States Mainstream Top 40