"Little Lion Man" is the debut single by English folk rock band Mumford & Sons. It was released as the lead single from their debut studio album, Sigh No More, on 11 August 2009 in the United Kingdom. The song had a positive commercial performance, charting in several countries and peaking within the top twenty in Australia, Belgium (Flanders), Ireland, and New Zealand. It is not given the Parental Advisory warning even though it has explicit lyrics.