Miriam Bianca Bulgaru (born 8 October 1998) is a Romanian tennis player. In singles, she achieved a career-high ranking of world No. 183 on 18 September 2023.
Bulgaru made her WTA Tour debut at the 2018 Bucharest Open, after having received a wildcard into the singles draw. She lost her first-round match to Wang Yafan.
She had her first WTA Tour win as a wildcard at the 2023 Transylvania Open in Cluj Napoca, defeating Turkish lucky loser İpek Öz.