"Go Let It Out" is a song by the English rock band Oasis, written by the band's lead guitarist, and chief songwriter, Noel Gallagher. It was released in 2000 as the first single from their fourth studio album Standing on the Shoulder of Giants. The song peaked at #1 in the UK Singles Chart and was later certified Silver. The song was the 36th best selling single of 2000 in the UK.

The song samples the drums from Johnny Jenkins' version of Dr John's "I Walk on Gilded Splinters." Noel described the song as "the closest we came to sounding like a modern day Beatles" in the 'Lock the Box' interview found on the DVD in the special edition of Stop the Clocks.

Due to the departure of guitarist Bonehead and bassist Guigsy in the early recording sessions for Standing on the Shoulder of Giants, the track features only Liam Gallagher (vocals), Noel Gallagher (rhythm guitar, bass guitar, lead guitar, keyboards) and Alan White (drums). It also contains a drum loop.

Oasis were looking for replacements for founding members Bonehead and Guigsy and while Bonehead was replaced with fellow Creation signing and former Heavy Stereo frontman Gem Archer, Guigsy proved harder to replace. Thus the video for "Go Let It Out" had to be filmed with Noel on bass, Archer in Noel's role as lead guitarist and Liam in Archer's role as rhythm guitarist.

The B-side "Let's All Make Believe" was placed by Q magazine placing at number one on its list of the '500 best lost tracks' and at number four on its list of songs to download for the month of January 2006. Q magazine said in the description, "If Standing on the Shoulder of Giants had contained this track, it would have probably got another star." The song featured on the Japanese release of the album.

In the "Lock the Box" interview, Noel considers "Go Let It Out" to be "head and shoulders" above any other songs he had written during this time, and "up there with some of the best things I've ever done."

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