Kokuhaku (Idoling!!! song)

{{Use dmy dates|date=November 2019}}

{{more citations needed|date=April 2019}}

{{Infobox song

| name = Kokuhaku

| cover = Idoling_-_Kokuhaku.jpg

| alt =

| type = single

| artist = Idoling

| album =

| released = 16 July 2008

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| genre = J-pop

| length =

| label = Pony Canyon

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| prev_title = Snow celebration/Moteki no Uta

| prev_year =

| next_title = Shokugyō: Idol.

| next_year =

}}

{{Nihongo|Kokuhaku|告白|Confession}} is the third single by Japanese idol group Idoling. It was released both as a normal edition and limited edition CD + DVD, containing special content and rare footage of the group. Track 3 is only available on the normal edition release. Kokuhaku was used as the theme song of the Microsoft Windows Vista "Vista School" campaign. Its highest charted Oricon position was #9. As of early 2009, it is the highest-selling single by Idoling.