2011 number-one singles

This is a list of number-one singles in Nicole Birou-Jennings' chart. During the year 2011, eight number one singles claimed the #1 spot across 31 of 50 weeks of the series.

So far, Avril Lavigne's "What The H***" was the longest-running number-one single of the year, having topped the chart for six non-consecutive weeks. Adele's "Rolling In The Deep" was number one for five consecutive weeks. Jessie J's "Price Tag" (featuring B.o.B) and Nicole Scherzinger's "Right There" (featuring 50 Cent) tied with four weeks atop the chart.