Darren Allinson (born 13 November 1987), a Welsh professional rugby union player.

Allinson joined Cardiff Blues in 2007 at the age of 18 from the Llanelli Scarlets Academy.

He made 36 first team appearances at the Arms Park along with a winners medal when the Blues beat Toulon in the Amlin Cup (2010).

Allinson joined London Irish in 2010 and made an immediate impact with over 20 first team appearances in his first season.

He has since made 109 first XV appearances to date with a Man of the Match performance against Cardiff Blues in the Heineken Cup (2012).