Quark might refer to:

• Quark, a Ferengi male
• Quark (mirror), the mirror universe version of Quark
• Quark's, a bar on Deep Space 9 (also known as Quark's Place and Quark's Bar)
• Quark's Treasure, a Ferengi pod
• Quarktajino, a beverage invented by Quark
• Quark (particle), a type of subatomic particle

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