Kalenyk Lysiuk (born Vasyl’ Lepykash; 1887-1980) was a Ukrainian civil activist, businessman, and philanthropist.He was born in the village of Velyka Bubnivka, Podil gubernia of the Russian Empire (now in Khmelnytskyi oblast, Ukraine). As a youth, he resided with his uncle in Odesa, where he became involved with underground socialist and radical organizations, including the Socialist-Revolutionaries. In 1909, Lysiuk was sentenced to twenty years of internal exile in Siberia. However, after 18 months of imprisonment in Irkuts'k, he managed to escape and assumed the name Kalenyk Lysiuk. In 1916, Lysiuk completed his education in Petrograd. He played a role in organizing the Ukrainian Free Cossacks in Proskuriv in 1917 and served as a sergeant major in the Army of the Ukrainian People's Republic from 1918 to 1920.

In 1923, Lysiuk immigrated to the United States and established a business selling postage stamps in New York. Four years later, he founded the settlement of "Nova Ukraina" in New Market, New Jersey, where he conducted his business affairs. During the 1930s, Lysiuk traveled extensively throughout Europe, visiting cultural centers such as Lviv, Khust, and others, where he generously contributed funds to various institutions, including the Dim invalidiv in Lviv, the Muzei vyzvol’noi borot’by in Prague, the Ukrains'ka hospodars'ka akademiia in Poděbrady, Czechoslovakia, and the Ukrainian Scientific Institute in Berlin. After World War II, Lysiuk relocated to Ontario, California, where he purchased a home and established the Ukrainian National Museum, serving as its curator until it merged with the Ukrainian National Museum in Chicago in 1958. From 1958 onwards, he served as the head of the Ukrainian and American Foundation, which he had founded. Lysiuk actively engaged in American civic life, maintaining a longstanding membership in the Republican Party since 1929.

He was an author of several collections of articles: “For Land and Freedom” (1930), “V oboroni ukrains’koi pravdy” (1954), “Khto popovnyv natsional’nyi zlochyn” (1961), “Narod khoche znaty pravdy” (1967). He was an editor and publisher of the bilingual magazine “Our ways” (1940) and a quarterly “Na Slidakh”, “Muzeini visti”, “Buleten’ Ukrains’ko-Amerykans’koi Fundatsii”. Kalenyk Lysiuk died on August 12, 1980 in Alta Loma, California.