Charles "Mailman" Flynn (born 6 November 1993, Lanark) is a professional boxer and Commonwealth gold medalist from Scotland.

[1][2] Flynn competed in the men's lightweight division at the 2014 Commonwealth Games where he won the gold medal.

[1] Flynn was also a lightweight boxing competitor in the 2011 Commonwealth Youth Games where he won the silver medal.

[5] Flynn made his professional debut against Ibrar Riyaz on 14 December 2014 at a packed Thistle Hotel in Glasgow.

[citation needed] During the Commonwealth Games, Flynn was quoted post fight as saying "the Mailman delivers", referencing the fact that he worked in the sorting office of the Royal Mail and has used the nickname "The Mailman" since, having it displayed on his fight shorts.