Yiruma (born February 15 1978, Seoul, Korea) is a South Korean piano music composer. He is married to Son Hye-im.

Yiruma is well-known throughout the world, and his albums are sold all over Asia, as well as the United States and Europe. His most famous pieces are "Kiss the Rain", and also "River Flows in You". These pieces are widely mistaken for being associated with the movie Twilight. Although he formerly held dual citizenship as a citizen of the United Kingdom and South Korea, in July 2006 he gave up his British citizenship and entered the Republic of Korea Navy to begin his military service, which is compulsory for all male South Koreans. He has lived in Osaka, Japan for 5 years to promote album sales before giving up his dual citizenship.