Other
- yum (Yellowdog Updater, Modified), an open-source package-management tool for Linux operating systems, especially Red Hat Linux
- YUM, the ISO 4217 currency code for the Yugoslav dinar between 1994 and 2003
- Yum! Brands, a corporation that operates Taco Bell, KFC, Pizza Hut
- ISO 639:yum, language code for the Quechan language
- Yuma International Airport, by IATA code, in Yuma, Arizona
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