The North Queensland Cowboys second rower represented the Mate Ma'a at the 2013 tournament but has since played ten time for New Zealand, where he was born and raised.
The 24-year-old said he felt it was time to give back and hopefully he can assist and inspire young Tongan players to chase their NRL goals.
"I really enjoyed my time within the Tongan World Cup Squad last time and have had a long-time association with Tongan coach Kristian Woolf," Taumalolo said in a statement.
