Whanganui-born Cameron, 25, has played for the Crusaders and Canterbury but played for Manawatū in last year's Bunnings NPC and will continue with the side this year. He also had a stint with Japanese club Kamaishi Seawaves.
His inclusion will add to the ability the side can call on with Aidan Morgan and Ruben Love available.
Cameron attended Cullinane College in Whanganui before moving to Christchurch to study and join the Canterbury Academy.
He made his provincial debut for the red and blacks in 2017 and appeared for the Crusaders in 2018. He was contracted in 2019 and played five matches for the side.
Cameron was selected for the All Blacks to play a Test against Japan in 2018.
In a Hurricanes' press release, Cameron said, "I'm stoked to be joining the Hurricanes for the 2023 season. Being from Whanganui, the Hurricanes are the team I grew up supporting, and I've always loved the way they play.
"I've been speaking to some of the guys in the team. It's exciting to hear the direction the club is heading from a culture perspective. So, I'm excited to get amongst it and see what the team is all about."
Head coach Jason Holland was excited to see Cameron on board.
"Brett is a Whanganui boy I watched while he was with the Crusaders.
"When he decided to move to Manawatū and play for the Turbos last year, I got a closer look and was able to understand more about how he operates.
"To see the influence he had, in directing the game, and the leadership he showed within the Turbos camp was outstanding, especially given he was new to the group," he said.
"He is a talented player with a great skill set, a good kicker and punts well, but he is also a threat at the line. He is an athlete who makes good decisions."