Some have denied it. Some have refused to comment.
But as the UK Drug Policy Commission (UKDPC) calls for a wholesale review of the government's approach to illicit substances, we thought it was time for a reminder of the politicians who admit dabbling with narcotics.
From Michael Bloomberg ("You bet I did. And I enjoyed it") to Oliver Letwin, click the slideshow below for a comprehensive run-down of politicians left and right.
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