Sandra Mbuyi (born 28 July 1984, in Kinshasa) is a Congolese gospel singer-songwriter. She began her career at age 13 by joining the ACEM church choir in Kinshasa. In 1999, Mbuyi joined the musical group of the Baptist CBFC Lukusa, participating in the recordings Attention and Testament. She established a reputation as a session singer, collaborating with artists including Charles Mombaya, Marie Misamu, and Mike Kalambay. Her solo career began in March 2006 with the release of the single "Nzambe ya ba orphelins", followed by her debut studio album Na Loboko Ya Tata in July 2007. The discography included the albums Worship (2013), Tu es (2016), and Eyano (2018). Mbuyi’s later work featured the singles "Goodness" (2023) and "Mahombi" (2024). She gained recognition for blending traditional Congolese sounds with contemporary gospel music.