Yuk may refer to: Mr. Yuk, a trademarked cartoon graphic image, widely employed in the United States in labeling of substances that are poisonous if ingested Yuk, a sophomore at the United States Military Academy Yuk Yuk's, a national comedy club chain in Canada, owned and established by former stand-up comedian Mark Breslin Yuk, a Korean surname derived from Lu (surname 陆) Yuk Young-soo, former first lady of South Korea The Ainu word for the Yezo sika deer. See also Yuck (disambiguation)