He will link up in pre-season ahead of the 2018 campaign and his recruitment is another sign the West Yorkshire club are looking to build on this term’s impressive exploits.
Wakefield, who can still finish in the top four heading into this weekend’s final round of Super 8s games, will see Dean Hadley return to Hull FC after spending this season on loan at Belle Vue.
But the arrival of the New Zealander - who played for Parramatta Eels and Manly Sea Eagles in Australia before spending the last two years in France - will certainly help offset that loss.
Horo, 31, said: “Firstly, I would like to start by saying that I am extremely excited to be joining the club for the next few years.
“I made my decision to join the club based on the interest from Chris (Chester) and the direction he sees for the club which have showed in the results on the field and the re-signing of players at the club already.
“One of the players was Jacob Miller who I spoke to before making my decision and he couldn’t speak highly enough of everyone involved.
“I cannot wait to join the squad next year and go after a trophy or two.”
Head coach Chester said: “I am delighted that we have been able to secure the services of Justin Horo on a two-year deal.
“He will add real quality to the pack and provide competition in the back-row alongside Danny Kirmond, Matty Ashurst and James Batchelor.
“Justin has a wealth of experience and this is a show of intent by the club.
“After speaking to Justin, I am aware of how much he is excited to join us and I’m looking forward to working with him over the next couple of seasons.”