Ninon Guillon-Romarin (born 15 April 1995) is a French pole vaulter.
She competed in the women's pole vault at the 2017 World Championships in Athletics.
She represented France in 2017 European Team Championships, where she was 3rd with a jump of 4.45m in Lille.
At the 2017 European Athletics U23 Championships she finished in 5th place with a jump of 4.35m.She holds the french indoor record with a jump of 4.72 m, set on 25 February 2018 in Clermont-Ferrand.