Yam or YAM may refer to:

• Yam (vegetable), common name for members of Dioscorea
• Sweet potato, known as yam in parts of North America
• Taro, known in some countries as yam
• Oxalis tuberosa, known as yam in New Zealand
• Yam, spicy salads in Thai cuisine

• Yam (Nubia)
• Yam, or Piyam, East Azerbaijan, Iran
• Yam, North Khorasan, Iran
• Yam, Razavi Khorasan, Iran
  • Yam Rural District
• Yam, Tehran, Iran
• Yam, Alexandrovsky District, Vladimir Oblast, Russia
• Yam fortress, in Leningrad Oblast, Russia
• Yam Island, Queensland, Australia

• Ren (surname), sometimes romanised as Yam in Cantonese, including a list of people with the name
• Marylou Yam (born c. 1958), American nurse, academic administrator, and researcher
• Lindile Yam (born 1960), former chief of the South African Army
• Yam Madar (born 2000), Israeli basketball player
• Yam Wolczak (born 2003), Israeli judoka
• Yam, a son of Noah

• Yam (god), a Levantine deity
• Yam (route), a Mongol message delivery service
• Yam languages, a family of Papuan languages
• YAM (software), an e-mail client
• Yellowstone Art Museum, in Billings, Montana, United States
• Yunarmiya (YAM), or Young Army Cadets National Movement, a Russian military youth organisation
• Yam, Russian term for Tavastians
• Sault Ste. Marie Airport, Canada, IATA airport code YAM

• Yam yam (disambiguation)
• Yama (disambiguation)
• Yamm (disambiguation)
• Amorphophallus paeoniifolius, a plant known as elephant foot yam
• Amorphophallus konjac, a plant known as elephant foot yam
• Banu Yam, an Arabian tribe