Constantin "Costi" Nica (born 18 March 1993) is a Romanian professional footballer who plays as a right-back.

On 11 July 2013, Atalanta acquired 85% of the player's rights from Dinamo Bucharest for a reported €1.6 million.

He made his debut in a 3–0 Serie A loss against Juventus, making his way in as a 77-minute substitute for Luigi Giorgi.

[5] The following three years, he suffered several injuries that kept him away from football and played only 2 official matches for FC Voluntari.

On 1 September 2021 he signed a two-year contract with Romanian club Dinamo București after 5 months in which he trained with the team.