Yuliya Feodorovna Platonova or Julia Platonova[a] (Russian: Юлия Фёдоровна Платонова, romanized: Yuliya Feodorovna Platonova, née Garder, 1841—1892) was a Russian soprano, known for performances at Imperial Theatres in St. Petersburg.

She is considered as one of the most important figures that created Russian opera, at a whole.

Music teacher.

Among more than 50 of her roles, the most notable were the following: