Mariana Brambilla (born 19 March 2000, in Porto Alegre, Brazil),[1] is a female professional volleyball player, playing as an opposite.

On 16 January 2022, she signed with Greek powerhouse Panathinaikos.

[2] On 27 May 2022, she was announced by the French team Pays d'Aix Venelles Volley-Ball.

She competed for the Brazil women's national under-18 volleyball team at the 2017 FIVB Volleyball Girls' U18 World Championship.