Mariia Maksimova (Russian: Мария Алексеевна Максимова); born 28 November 2003) is a Russian junior tennis player.
Maksimova has been competing on the ITF junior tour since 2018. She reached the finals in double category at 'Kfar Hamaccabian Cup 2018'.
Previously, she participated in Tennis Europe tournaments between 2016 and 2018. Mariia has been in semifinals twice - first during 'Sparakasse Bambini Cup 2017' under 14 and then, in 2018, during 'under 16' tournament in Larnaca.