"The Walls Fell Down" is a second single by the English rock duo The Marbles, Lead vocals by Graham Bonnet it was released in March 1969, and it was written and produced by Barry Gibb, Robin Gibb, Maurice Gibb, of the Bee Gees, and was also produced by Robert Stigwood, it was recorded as a follow-up to "Only One Woman" but did not repeat the success of the previous single.

"The Walls Fell Down" was recorded on 10 January 1969 with other Gibb brothers-penned tracks "Love You" and "Little Boy". An instrumental work by three members of Bee Gees: Barry and Maurice Gibb, and drummer Colin Petersen. It reached #28 in the United Kingdom, but in the Netherlands it reached #3. There is a promotional video for this song.

A French TV performance of "The Walls Fell Down" was televised on 192TV. The song's original music video features Bonnet with a Gibson SG and Gordon with an acoustic guitar and was televised on a Dutch television.

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