Miriam Bianca Bulgaru (born 8 October 1998) is a Romanian tennis player.

Bulgaru made her WTA Tour debut at the 2018 Bucharest Open, after having received a wildcard into the singles draw.

[2] She had her first WTA Tour win as a wildcard at the 2023 Transylvania Open in Cluj Napoca, defeating Turkish lucky loser İpek Öz.

[3] At the 2024 Iași Open, she recorded another WTA win in straight sets over second seed Tatjana Maria as a wildcard.

[4] She won the 2024 Țiriac Foundation Trophy defeating Kathinka von Deichmann in the final.