List of number-one digital singles of 2011 (Japan)

This is a list of songs that reached #1 on the RIAJ Digital Track Chart chart in Japan in 2011.The highest-selling digital singles in Japan are published by Recording Industry Association of Japan.PC downloads and ringtone downloads are not eligible for the chart, only cellphone downloads (Chaku-uta Full) count for the chart.The chart week runs from Wednesday to Tuesday.The final week of 2010, starting December 28, was merged with the following week (12/29-1/4) due to New Year's celebrations.

RIAJ Digital Track Chartin Japan in 2011Recording Industry Association of JapanToilet no KamisamaKana UemuraTomomi ItanoWhy? (Keep Your Head Down)TohoshinkiKana NishinoNaoto Inti RaymiThelma AoyamaJay'edJet Coaster LoveMr. ChildrenTeam Amuse!!Maru Maru Mori Mori!TomokiEveryday, KachūshaGo Go Summer!Fight TogetherNamie AmuroToshinobu KubotaYusukeFlying GetItsuka kitto…Ai o TomenaideKumi KodaL'Arc-en-CielKaze wa FuiteiruFunky Monkey BabysIkimono-gakariSit! Stay! Wait! Down!Love StoryKazuyoshi SaitoList of number one Reco-kyō Chart singles 2006–2009Lists of number-one singles in JapanOriconSingles ChartBillboardJapan Hot 100Digital Track ChartBillboard JapanList of artists who reached number one on the Japan Hot 100List of Oricon number-one albumsList of artists who have achieved Japan and U.S. number-one hits