Addy may refer to:
Addy (surname)
Addy, Washington, US, an unincorporated community
Addy Awards, advertising competition
Addy.io, formely called AnonAddy, a provider of disposable email addresses
Zack Addy, fictional character in the television series Bones
Addy Walker, a doll from the American Girl series
Adderall, a drug for ADHD and narcolepsy
Adamantite, an imaginary rock or mineral of impenetrable hardness
