Liam Justin Messam (born 25 March 1984) is a New Zealand rugby union player who plays TOP14 for RC Toulonnais. In Super Rugby, he previously played for the Chiefs, and for Waikato in the ITM Cup. Messam predominantly plays as a blindside flanker but can fill in at Number 8 as well as openside flanker. After the retirement of then Chiefs captain Mils Muliaina, Messam was named the team's new co-captain from 2012 onwards, alongside Aaron Cruden.