Eugene Nestor Melnyk (May 27, 1959 – March 28, 2022) was a Canadian businessman, philanthropist, and owner, governor, and chairman of the National Hockey League's Ottawa Senators and the American Hockey League's Belleville Senators.

Mykola Mykolayovych Melnyk (17 December 1953 – 26 July 2013), also known as Nikolai Melnik, was a Soviet-Ukrainian pilot and liquidator hero renowned for his high-risk helicopter mission on the dangerously-radioactive Chernobyl Nuclear Power Plant building immediately after the 1986 Chernobyl disaster.