The 28-year-old has signed a contract till the top of the 2023-24 season, United mentioned in an announcement on Saturday.
Parris, who has gained 67 caps for England, made two appearances off the bench for Sarina Wiegman’s facet throughout their victorious European Championship marketing campaign on house soil.
The striker returns to Manchester three years after her departure from United’s rivals Manchester Metropolis, the place she gained the WSL title in addition to two FA Cups.
“It feels unbelievable to be right here. It has been fairly a summer time, and this tops it off,” Parris mentioned. “Manchester United is an historic membership who’re making massive actions within the WSL and I can not wait to be part of our future success.”
She gained the league title and the Champions League earlier than swapping Lyon for London, enjoying 38 occasions in her one season at Arsenal as they completed second behind Chelsea within the WSL.
Parris will hyperlink up with fellow European champions Ella Toone, Alessia Russo and Mary Earps at United, the place she turns into the membership’s sixth summer time signing as they bid to enhance on final season’s fourth-placed end within the WSL.
“Nikita’s successful pedigree can be an incredible addition to our crew,” United supervisor Marc Skinner mentioned. “She is a confirmed winner on each the home and worldwide stage and can deliver an actual maturity to the atmosphere.
“Securing a participant of Nikita’s calibre cements this nice membership’s ambition for the season forward.”