Yuriy Oleksiiovych Oliynyk[a] (December 1, 1931 – September 13, 2021) was a composer, concert pianist, and professor of music who lived and worked in the United States.

He was the son of a Ukrainian lawyer and started studying piano at the age of seven.

During World War II, his family was forced to flee from their home to Austria, and later Germany.

Oliynyk was a trained music teacher; as of 2022[update] he worked at the American River College in Sacramento, California.

In October 2000 a World Premiere of Oliynyk's piano concerto took place in Europe, with Oksana Rapita as soloist.