Ivy can refer to:

• Ivy without qualifiers usually refers to plants in the genus Hedera in the Araliaceae
• Poison ivy, a plant in the genus Toxicodendron in the family Anacardiaceae
• Poison Ivy, a fictional female villain with a poisonous touch who has appeared in various Batman/Catwoman related comics and television series
• Boston ivy, a species of Parthenocissus, in the grape family Vitaceae
• Ground ivy, one of the species of the mint genus Glechoma that has blue-purple flowers and rounded leaves
• Swedish ivy, a plant species in the genus Plectranthus that is a popular houseplant
• The Ivy League is an association of prestigious universities in the United States
• Operation Ivy (band) is a punk band
• Ivy (band) is trio of musicians from New York City
• Ivy (singer), a singer from Korea.
• The Jesuit Ivy is a nickname for Boston College, a prestigious university in Chestnut Hill, Massachusetts
• Isabella "Ivy" Valentine (Soul Calibur) is a fictional female character from the Soul Series of fighting video games
• Operation Ivy was a pair of nuclear tests in 1952
• The Ivy, a restaurant in London, England
• Ivy Mike, was the code name given to the first test of a successful fusion device, detonated on October 31, 1952

Efeu | 아이비 (동음이의) | Ivy