Seongmi Kim is a South Korean composer. Her work of composition is constructed from abstract, visual and sound images inspired by everyday life and which are then transcribed musically.

She receives commissions from Radio France for a program of France Musique, Création Mondiale - Alla Breve, collaboration with the Ensemble Aleph and from Women Composer Association in New York (AWCANYC), collaboration with the Cobalt Quartet. She has received commissions from Duo Solea and the Association Femmes Et Musique (AFEM).

Her works have been performed notably by the Nouvel Ensemble Moderne (NEM) of Montreal, the Orchestra of Laureates of the Paris Conservatory (OLC), the Duo Jatekok and the Daejeon Philharmonic Choir (DJPC) in South Korea.

She studied composition under Young-Geun Park (1947-2016) at Hanyang University in Seoul, where she obtained a bachelor's degree in 2008. She continued her studies at the CRR Nice before being admitted in 2010 to the Paris Conservatory (CNSMDP) in the class of Frédéric Durieux. She also studied with Michaël Levinas, Luis Naón, Yan Maresz, and Denis Cohen.
In 2013-2014, she followed the IRCAM Composition and Computer Music Curriculum, under the direction of Hèctor Parra. She wrote, as part of the Cursus, 미로 [mi:ro] for bass flute and electronics.
She obtained her CNSMDP composition prize in 2015 with the mention of Très Bien. On this occasion, Aven for mezzo-soprano, ensemble of 13 musicians and electronic, was created, based on the poem Sensation by Arthur Rimbaud.

She is currently a professor at the University of Las Artes (Universidad de Las Artes en Guayaquil) in Ecuador since October 2018.