The former Arsenal striker had found himself sitting on the bench for much of last season in Spain and looks set to end is career in New York.
“This marks an exciting new chapter in my career and life,” Henry told the club’s official website.
“It is an honour to play for the New York Red Bulls. I am fully aware of the team’s history and my sole goal during my time here is to help win the club its first championship.
“Knowing Red Bull’s significant commitment to soccer locally and internationally, I am confident that my team-mates and I will succeed.”
